diff --git a/.gitbook/assets/image (1).png b/.gitbook/assets/image (1).png new file mode 100644 index 00000000..58934e53 Binary files /dev/null and b/.gitbook/assets/image (1).png differ diff --git a/.gitbook/assets/image (2).png b/.gitbook/assets/image (2).png new file mode 100644 index 00000000..d5866887 Binary files /dev/null and b/.gitbook/assets/image (2).png differ diff --git a/.gitbook/assets/image (3).png b/.gitbook/assets/image (3).png new file mode 100644 index 00000000..ea66a091 Binary files /dev/null and b/.gitbook/assets/image (3).png differ diff --git a/.gitbook/assets/image (4).png b/.gitbook/assets/image (4).png new file mode 100644 index 00000000..72181155 Binary files /dev/null and b/.gitbook/assets/image (4).png differ diff --git a/block-explorers/block-explorer-and-api-keys.md b/block-explorers/block-explorer-and-api-keys.md index 243c73b4..7cf0cd88 100644 --- a/block-explorers/block-explorer-and-api-keys.md +++ b/block-explorers/block-explorer-and-api-keys.md @@ -4,32 +4,66 @@ {% tabs %} {% tab title="Cronos Mainnet" %} -* [https://explorer.cronos.org/](https://explorer.cronos.org/) +* **"Cronos Explorer"** - [https://explorer.cronos.org/](https://explorer.cronos.org/) * [https://cronos.org/explorer](https://cronos.org/explorer/) * [https://cronoscan.com/](https://cronoscan.com) {% endtab %} {% tab title="Testnet" %} -* [https://explorer.cronos.org/testnet](https://explorer.cronos.org/testnet) +* **"Cronos Testnet Explorer"** - [https://explorer.cronos.org/testnet](https://explorer.cronos.org/testnet) * [https://cronos.org/explorer/testnet3](https://cronos.org/explorer/testnet3) {% endtab %} {% endtabs %} -Cronos Explorer is the reference transaction and block explorer on Cronos (https://explorer.cronos.org) +Cronos Explorer is the reference transaction and block explorer on Cronos `https://explorer.cronos.org` -### **CronosCreating API Keys on Cronoscan** +### Creating Account and Getting API Key **Cronso Explorer** -The Cronoscan Developer APIs are designed to provide accessible and consistent Cronos data to the Cronos community. The APIs are provided as a community service with a rate up to five calls per second per IP. Users need to [register](https://cronoscan.com/register) for a CronoScan account to create an API key.\ -After registration, a CronoScan user account will have a quota of up to three API keys. +The Cronos Explorer Developer APIs are designed to provide accessible and consistent Cronos data to the Cronos community. -On the [CronoScan user dashboard](https://cronoscan.com/myaccount), select “**API-KEYs**” in the left column or go to [https://cronoscan.com/myapikey](https://cronoscan.com/myapikey). +As a means to provide equitable access to blockchain data, we've developed the Cronos Developer APIs to empower developers with direct access to Cronos's blockchain data and services via `GET/POST` requests. -![drawing](assets/myapikey-page.png) +### 1. Register an Account -Click “**Create a new API-KEY token**”. Then optionally input an \_**AppName** \_ if you wish to. +Head over to the [**Account Registration**](https://explorer.cronos.org/register) page and provide email and password for your account. -![drawing](assets/create-apikey.png) +
-After the “**API**_**-**_**KEY Token**” is successfully created, a message will show up as per the example below. You can now use the “**API key token**” for your applications on Cronos! +### 2. Verify Your Email + +A verification code will be sent to your email address to verify your sign up request. Fill in on the verification page for completing your registration + +
+ +### 3. Exploring Your Account + +Upon signing in, you will have access to your account dashboard where you can make full use of Cronos explorer's features such as viewing API keys and viewing submitted contract verification status. + +
+ + + +### 4. Getting an Default API Key + +From your Account Dashboard, click on label **My API Keys**. From there, you may view your API Keys. By Default, each Cronos Explorer account will assign a default API Key on registration completed. + + + +
+ +### 5. Using APIs + +Once you have obtained your API key, you can fetch data from the provided endpoints. + +_Example:_ + +``` + curl --request GET 'https://explorer-api.cronos.org/mainnet/api/v1/{module}/{action}?apikey={your_apikey} +``` + + + +### API Documentation + +Please visit [https://explorer-api-doc.cronos.org/mainnet/](https://explorer-api-doc.cronos.org/mainnet/) for API documentation. -![](<../.gitbook/assets/image (1) (1) (1).png>) diff --git a/cronos-chain-protocol/chain-details/technical-glossary.md b/cronos-chain-protocol/chain-details/technical-glossary.md index b8ba42bb..aec5a1e8 100644 --- a/cronos-chain-protocol/chain-details/technical-glossary.md +++ b/cronos-chain-protocol/chain-details/technical-glossary.md @@ -2,7 +2,7 @@ A | [B](technical-glossary.md#b) | [C](technical-glossary.md#c) | [D](technical-glossary.md#d) | [E](technical-glossary.md#e) | [F](technical-glossary.md#f) | [G](technical-glossary.md#g) | [H](technical-glossary.md#h) | [I](technical-glossary.md#i) | [J](technical-glossary.md#j) | K | [L](technical-glossary.md#l) | [M](technical-glossary.md#m) | [N](technical-glossary.md#n) | O | [P](technical-glossary.md#p) | [Q](technical-glossary.md#q) | [R](technical-glossary.md#r) | [S](technical-glossary.md#s) | [T](technical-glossary.md#t) | [U](technical-glossary.md#u) | [V](technical-glossary.md#v) | W | X | Y | Z - +*** #### B diff --git a/cronos-chain-protocol/module_overview/README.md b/cronos-chain-protocol/module_overview/README.md index 43c2228c..32e6b59d 100644 --- a/cronos-chain-protocol/module_overview/README.md +++ b/cronos-chain-protocol/module_overview/README.md @@ -620,7 +620,7 @@ The following tables show overall effects on different configurations of the sla | Constraints | Value has to be a positive integer | Value has to be positive | Value has to be a positive integer | | Sample configuration | `2000` (2000 blocks) | `0.5` (50%) | `3600s` (1 hour) | - +*** | | `slash_fraction_double_sign` | `slash_fraction_downtime` | | -------------------- | ------------------------------------ | ------------------------------------ | @@ -900,7 +900,7 @@ The following tables show overall effects on different configurations of the sta | Constraints | N/A | Value has to be positive | Value has to be a positive | | Sample configuration | `basetcro` | `100` (50%) | `7` | - +*** | | `max_validators` | `unbonding_time` | | -------------------- | ------------------------------------ | ------------------------------------ | diff --git a/cronos-chain-protocol/module_overview/module_slashing.md b/cronos-chain-protocol/module_overview/module_slashing.md index fd441a59..97bb54c3 100644 --- a/cronos-chain-protocol/module_overview/module_slashing.md +++ b/cronos-chain-protocol/module_overview/module_slashing.md @@ -139,7 +139,7 @@ The following tables show overall effects on different configurations of the sla | Constraints | Value has to be a positive integer | Value has to be positive | Value has to be a positive integer | | Sample configuration | `2000` (2000 blocks) | `0.5` (50%) | `3600s` (1 hour) | - +*** | | `slash_fraction_double_sign` | `slash_fraction_downtime` | | -------------------- | ------------------------------------ | ------------------------------------ | diff --git a/cronos-chain-protocol/module_overview/module_staking.md b/cronos-chain-protocol/module_overview/module_staking.md index 62a50cde..5770f8fd 100644 --- a/cronos-chain-protocol/module_overview/module_staking.md +++ b/cronos-chain-protocol/module_overview/module_staking.md @@ -284,7 +284,7 @@ The following tables show overall effects on different configurations of the sta | Constraints | N/A | Value has to be positive | Value has to be a positive | | Sample configuration | `basetcro` | `100` (50%) | `7` | - +*** | | `max_validators` | `unbonding_time` | | -------------------- | ------------------------------------ | ------------------------------------ | diff --git a/for-dapp-developers/useful-projects-on-cronos/cronos-safe.md b/for-dapp-developers/useful-projects-on-cronos/cronos-safe.md index 2b4c9c7a..1048ec8e 100644 --- a/for-dapp-developers/useful-projects-on-cronos/cronos-safe.md +++ b/for-dapp-developers/useful-projects-on-cronos/cronos-safe.md @@ -54,7 +54,7 @@ Cronos Safe smart contracts were deployed using a deterministic deployment proxy The addresses of deployed contracts can be found in Gnosis Safe deployments repository (https://github.com/safe-global/safe-deployments/tree/main/src/assets/v1.3.0). The smart contracts deployed to Cronos mainnet have been verified on Cronoscan. - +*** ## Resources diff --git a/for-dapp-developers/useful-projects-on-cronos/overview-of-dev-tools-and-integrations.md b/for-dapp-developers/useful-projects-on-cronos/overview-of-dev-tools-and-integrations.md index c46a74b9..5b4f2290 100644 --- a/for-dapp-developers/useful-projects-on-cronos/overview-of-dev-tools-and-integrations.md +++ b/for-dapp-developers/useful-projects-on-cronos/overview-of-dev-tools-and-integrations.md @@ -9,5 +9,5 @@ description: >- Scroll right/left to see full contents. -
NameTaglineTag(s)URL(s)Comments
AccointingTrack your net worth with our crypto tracking software. File your crypto taxes with our crypto tax softwareanalyticshttps://www.accointing.com/en-US; https://www.accointing.com/en-US/integrations/cronos
Band ProtocolBand Protocol is a cross-chain data oracle platform that aggregates and connects real-world data and APIs to smart contracts.oraclehttps://bandprotocol.com/; https://docs.bandchain.org/band-standard-dataset/supported-blockchains.html
BanxaBanxa is the leading global Web3 on-and-off ramp solution.cronos-play, onramphttps://banxa.com/; https://docs.banxa.com/docsSupports CRO and major stable coins.
BlockdaemonSupporting 50+ cutting edge blockchain networks with world-class institutional infrastructure. We power the blockchain economy with an easy-to-use, secure and scalable node management platform.json-rpchttps://blockdaemon.com/Only closed Beta for now. Contact your Blockdaemon account manager to inquire.
BlockscoutBlockscout is a tool for inspecting and analyzing EVM based blockchains. Blockchain explorer for Ethereum Networks.chain-indexerhttps://cronos.org/explorerMainnet: https://cronos.org/explorer; Testnet: https://cronos.org/explorer/testnet3
C++Cronos integration of the Chainsafe Gaming SDK for Unity gaming enginecronos-playhttps://cronos.org/docs/play/getting-started_cpp.html#pre-requisites; https://github.com/cronos-labs/play-cpp-sdk
Chainalysis (soon)We create transparency for a global economy built on blockchains,; enabling banks, businesses, and governments to have a common; understanding of how people use cryptocurrency.analyticshttps://www.chainalysis.com/
ChainlinkOracleoracleChainlink does not support Cronos yet. If you’d like to encourage them to speed up integration, please contact their team.
ChainstackFrom startups to large enterprises, thousands of businesses of all sizes use Chainstack’s software and APIs to build, run, and scale blockchain applications.json-rpchttps://chainstack.com/; https://docs.chainstack.com/operations/cronos/Free and paid JSON-RPC endpoints. Mainnet and testnet.
ConnextConnext powers fast, secure bridging; between blockchains and rollups for; composable, trust minimized value.bridgehttps://www.connext.network/; https://docs.connext.network/0.1.x-legacy/developers/SystemOverview/chainsUse V1
CovalentCovalent provides a unified API bringing visibility to billions of Web3 data points.chain-indexerhttps://www.covalenthq.com/; https://www.covalenthq.com/docs/networks/cronos/Tutorial: https://www.youtube.com/watch?v=f7ZHDByytFc
Cronos ID (ENS / Domain Service)ENS implementation on Cronoswallethttps://cronosid.xyz/; https://medium.com/cronos-chain/cronos-developer-series-how-to-integrate-your-dapp-with-cronos-id-domains-a0e274b95da8
Cronos Labs free JSON-RPCFree JSON-RPC endpoint for the Cronos communityjson-rpchttps://cronos.org/docs; https://evm.cronos.orgRate limited
Cronos PlayCronos Play is a full suite of dev tools and integrations to streamline Web3 game development on Cronos chain.cronos-playhttps://cronos.org/play; https://cronos.org/docs/play/introduction.html#overviewTutorial: https://www.youtube.com/watch?v=xLSgn5OZql4
Crypto com Defi WalletA non-custodial multi-chain wallet that gives you access to a full suite of DeFi services and your NFTs in one place.wallethttps://crypto.com/defi-wallet; https://medium.com/cronos-chain/cronos-developer-series-connect-your-dapp-with-defi-wallet-metamask-and-trust-wallet-77419fe696a5
Crypto com TaxFull integration with popular exchanges & wallets and easy-to-use interface that gets the job done in no time.analyticshttps://tax.crypto.com/; https://tax.crypto.com/
DebankTrack cryptocurrency and Defi positions of any wallet addresschain-indexerhttps://debank.com/; https://open.debank.com/
Eat The BlocksWe teach Web3 developmenteducationhttps://eattheblocks.com/; https://www.youtube.com/watch?v=NqeeKEJiPZU
EtherscanEthereum block explorerchain-indexerhttps://cronoscan.com/; https://cronoscan.com/apisMainnet: https://cronoscan.com/; Testnet: https://testnet.cronoscan.com/
Faucet (Testnet)Testnet for TCRO (Test CRO)dapp-developmenthttps://cronos.org/faucet
Gelato NetworkSet it and forget it.; Your transactions will always; execute at the right time.defi-toolinghttps://www.gelato.network/; https://docs.gelato.network/developer-products/gelato-ops-smart-contract-automation-hub/contract-addresses
GetBlockGetBlock developer tools and valuable insights guarantee a simple and reliable API access to multiple blockchains.json-rpchttps://getblock.io/; https://account.getblock.io/Free and paid JSON-RPC endpoints
Gnosis SafeCronos implementation of Gnosis Safewallethttps://cronos-safe.org; https://medium.com/cronos-chain/cronos-developer-series-use-the-safe-multisig-wallet-to-enhance-the-security-of-your-dapps-5041163703dc
Graph (The)The Grpah is an indexing protocol for organizing blockchain data and making it easily accessible with GraphQL.chain-indexerhttps://thegraph.com/en/; https://thegraph.com/docs/en/developing/defining-a-subgraph/The Graph’s hosted service does not currently support Cronos, but Cronos Labs may be able to host Graph endpoints for selected developers, or in the context of hackathons. Please email contact@cronoslabs.org for support.
HardhatEthereum development environment for professionalssmart-contractshttps://hardhat.org/; https://medium.com/cronos-chain/cronos-developer-series-deploy-verify-your-contracts-using-hardhat-8b6ab6928986
IBC (Inter Blockchain Communication)IBC is an interoperability protocol for communicating arbitrary data between arbitrary state machines, particularly between Cosmos SDK chainsbridgehttps://ibcprotocol.org/
Magic (ex Fortmatic)User Authentication and Private Key Management Solution for Web3 and Web2cronos-play, wallethttps://magic.link/; https://magic.link/docs/blockchains/cronos
MetaMaskA crypto wallet & gateway to blockchain apps; Start exploring blockchain applications in seconds. Trusted by over 30 million users worldwide.wallethttps://metamask.io/; https://medium.com/cronos-chain/cronos-developer-series-connect-your-dapp-with-defi-wallet-metamask-and-trust-wallet-77419fe696a5
MoralisMoralis provides a single workflow for building high performance dapps. Fully compatible with your favorite web3 tools and services.chain-indexer, cronos-playhttps://moralis.io/; https://docs.moralis.io/moralis-dapp/web3-api/supported-chains#supported-chains
OpenZeppelinReference library of standard smart contracts.smart-contractshttps://www.openzeppelin.com/contracts; https://docs.openzeppelin.com/contracts/4.x/The OpenZeppelin smart contracts work on Cronos like on any EVM chain.
OpenZeppelin Solidity WizardUse this interactive generator to bootstrap your contract and learn about the components offered in OpenZeppelin Contracts.smart-contractshttps://wizard.openzeppelin.com/#; https://wizard.openzeppelin.com/#See tutorial here: https://medium.com/cronos-chain/cronos-developer-series-create-deploy-a-smart-contract-with-openzeppelin-wizard-and-remix-5b6769fc8b93
Phalcon (Blocksec)Powerful transaction explorer designed for DeFi community.analyticshttps://phalcon.blocksec.com/; https://phalcon.blocksec.com/
RabbyMulti-chain walletwallethttps://rabby.io/
RockXYour gateway to crypto finance and blockchainsjson-rpchttps://www.rockx.com/; https://access.rockx.com/Free and paid JSON-RPC endpoints. Mainnet and testnet. Tutorial: https://www.youtube.com/watch?v=gvY2vyYSZHs
Smart Contract RecipesDeploy smart contracts in minutes. Library of standard smart contracts.smart-contractshttps://www.smartcontract.recipes/; https://github.com/Breakthrough-Labs/btlcontractsPaid service. Always check the code of the smart contract and get it verified on Cronoscan! Do not trust third party code without making your own verifications.
SubqueryQuery Decentralised Data Faster. (An alternative to The Graph)chain-indexerhttps://subquery.network/Resources: https://academy.subquery.network/build/cosmos-evm.html; https://github.com/subquery/cosmos-subql-starter/tree/main/Cronos/cronos-evm-starter; https://crofam.me/devtips; https://academy.subquery.network/quickstart/quickstart_chains/cosmos.html; https://discord.com/invite/subquery (including technical support)
TenderlyComprehensive Ethereum developer platform for real-time monitoring, alerting, debugging, and simulating smart contracts.smart-contractshttps://tenderly.co/Coming soon
TransakEnable users to buy or sell crypto from your app.; Available across 100+ cryptocurrencies on 75+ blockchains via cards, bank transfers and other payment methods in 125+ countries.cronos-play, onramphttps://global.transak.com/; https://global.transak.com/Supports CRO at https://global.transak.com/.
Truffle / GanacheThe Truffle Suite gets developers from idea to dapp as comfortably as possible.smart-contractshttps://trufflesuite.com/
Trust WalletBuy, store, collect NFTs, exchange & earn crypto. Join 25 million+ people using Trust Wallet.wallethttps://trustwallet.com/; https://medium.com/cronos-chain/cronos-developer-series-connect-your-dapp-with-defi-wallet-metamask-and-trust-wallet-77419fe696a5
UnityCronos integration of the Chainsafe Gaming SDK for Unity gaming enginecronos-playhttps://cronos.org/docs/play/getting-started.html; https://github.com/ChainSafe/web3.unity
UnmarshalThe easiest way to query Blockchain datachain-indexerhttps://unmarshal.io/; https://docs.unmarshal.io/
UnrealCronos plugin for Unreal gaming enginecronos-playhttps://cronos.org/docs/play/getting-started_unreal.html; https://github.com/cronos-labs/play-cpp-sdk
UseWalletuseWallet() allows dapp users to connect to the provider of their choice in a way that is as straightforward as possible.dapp-developmenthttps://www.npmjs.com/package/use-wallet-btl; https://www.npmjs.com/package/use-wallet-btlGithub repo: https://github.com/Breakthrough-Labs/use-wallet; This is a fork of: https://www.npmjs.com/package/use-wallet; with additional configuration options to support Cronos
Wallet ConnectWallet Connect is an open source protocol for connecting decentralised applications to mobile wallets with QR code scanning or deep linking.wallethttps://walletconnect.com/; https://docs.walletconnect.com/
Web3AuthSimple self-custodial auth infra for Web3 apps and walletscronos-play, wallethttps://web3auth.io/; https://web3auth.io/docs/connect-blockchain/cronosUnity SDK: https://github.com/Web3Auth/web3auth-unity-sdk; Unreal SDK (WIP): https://github.com/Web3Auth/web3auth-unreal-sdk
Web3js / Ethersjs / Web3py, etcA collection of libraries that allow you to interact with a local or remote ethereum node using HTTP, IPC or WebSocket.dapp-developmentOpen page to view; Open page to viewJavascript: Recommended: https://docs.ethers.io/v5/; Alernative: https://web3js.readthedocs.io/en/v1.7.4/; Python: https://web3py.readthedocs.io/en/stable/
WitnetWitnet enables your smart contracts to react to real world events with strong crypto-economic guarantees.oraclehttps://witnet.io/; https://docs.witnet.io/smart-contracts/supported-chainsSee tutorials here: https://medium.com/cronos-chain/random-number-generation-on-cronos-with-witnet-8b871beef59b; https://medium.com/@benjaminrokowski/46ec979aee3c; https://medium.com/witnet/how-to-deploy-a-price-feed-on-cronos-cro-ccf56438313; https://www.notion.so/0e6bc5ddbe4a4bf8a22c262dedfe268f
+
NameTaglineTag(s)URL(s)Comments
AccointingTrack your net worth with our crypto tracking software. File your crypto taxes with our crypto tax softwareanalyticshttps://www.accointing.com/en-US; https://www.accointing.com/en-US/integrations/cronos
Band ProtocolBand Protocol is a cross-chain data oracle platform that aggregates and connects real-world data and APIs to smart contracts.oraclehttps://bandprotocol.com/; https://docs.bandchain.org/band-standard-dataset/supported-blockchains.html
BanxaBanxa is the leading global Web3 on-and-off ramp solution.cronos-play, onramphttps://banxa.com/; https://docs.banxa.com/docsSupports CRO and major stable coins.
BlockdaemonSupporting 50+ cutting edge blockchain networks with world-class institutional infrastructure. We power the blockchain economy with an easy-to-use, secure and scalable node management platform.json-rpchttps://blockdaemon.com/Only closed Beta for now. Contact your Blockdaemon account manager to inquire.
BlockscoutBlockscout is a tool for inspecting and analyzing EVM based blockchains. Blockchain explorer for Ethereum Networks.chain-indexerhttps://cronos.org/explorerMainnet: https://cronos.org/explorer; Testnet: https://cronos.org/explorer/testnet3
C++Cronos integration of the Chainsafe Gaming SDK for Unity gaming enginecronos-playhttps://cronos.org/docs/play/getting-started_cpp.html#pre-requisites; https://github.com/cronos-labs/play-cpp-sdk
Chainalysis (soon)We create transparency for a global economy built on blockchains,; enabling banks, businesses, and governments to have a common; understanding of how people use cryptocurrency.analyticshttps://www.chainalysis.com/
ChainlinkOracleoracleChainlink does not support Cronos yet. If you’d like to encourage them to speed up integration, please contact their team.
ChainstackFrom startups to large enterprises, thousands of businesses of all sizes use Chainstack’s software and APIs to build, run, and scale blockchain applications.json-rpchttps://chainstack.com/; https://docs.chainstack.com/operations/cronos/Free and paid JSON-RPC endpoints. Mainnet and testnet.
ConnextConnext powers fast, secure bridging; between blockchains and rollups for; composable, trust minimized value.bridgehttps://www.connext.network/; https://docs.connext.network/0.1.x-legacy/developers/SystemOverview/chainsUse V1
CovalentCovalent provides a unified API bringing visibility to billions of Web3 data points.chain-indexerhttps://www.covalenthq.com/; https://www.covalenthq.com/docs/networks/cronos/Tutorial: https://www.youtube.com/watch?v=f7ZHDByytFc
Cronos ID (ENS / Domain Service)ENS implementation on Cronoswallethttps://cronosid.xyz/; https://medium.com/cronos-chain/cronos-developer-series-how-to-integrate-your-dapp-with-cronos-id-domains-a0e274b95da8
Cronos Labs free JSON-RPCFree JSON-RPC endpoint for the Cronos communityjson-rpchttps://cronos.org/docs; https://evm.cronos.orgRate limited
Cronos PlayCronos Play is a full suite of dev tools and integrations to streamline Web3 game development on Cronos chain.cronos-playhttps://cronos.org/play; https://cronos.org/docs/play/introduction.html#overviewTutorial: https://www.youtube.com/watch?v=xLSgn5OZql4
Crypto com Defi WalletA non-custodial multi-chain wallet that gives you access to a full suite of DeFi services and your NFTs in one place.wallethttps://crypto.com/defi-wallet; https://medium.com/cronos-chain/cronos-developer-series-connect-your-dapp-with-defi-wallet-metamask-and-trust-wallet-77419fe696a5
Crypto com TaxFull integration with popular exchanges & wallets and easy-to-use interface that gets the job done in no time.analyticshttps://tax.crypto.com/; https://tax.crypto.com/
DebankTrack cryptocurrency and Defi positions of any wallet addresschain-indexerhttps://debank.com/; https://open.debank.com/
Eat The BlocksWe teach Web3 developmenteducationhttps://eattheblocks.com/; https://www.youtube.com/watch?v=NqeeKEJiPZU
EtherscanEthereum block explorerchain-indexerhttps://cronoscan.com/; https://cronoscan.com/apisMainnet: https://cronoscan.com/; Testnet: https://testnet.cronoscan.com/
Faucet (Testnet)Testnet for TCRO (Test CRO)dapp-developmenthttps://cronos.org/faucet
Gelato NetworkSet it and forget it.; Your transactions will always; execute at the right time.defi-toolinghttps://www.gelato.network/; https://docs.gelato.network/developer-products/gelato-ops-smart-contract-automation-hub/contract-addresses
GetBlockGetBlock developer tools and valuable insights guarantee a simple and reliable API access to multiple blockchains.json-rpchttps://getblock.io/; https://account.getblock.io/Free and paid JSON-RPC endpoints
Gnosis SafeCronos implementation of Gnosis Safewallethttps://cronos-safe.org; https://medium.com/cronos-chain/cronos-developer-series-use-the-safe-multisig-wallet-to-enhance-the-security-of-your-dapps-5041163703dc
Graph (The)The Grpah is an indexing protocol for organizing blockchain data and making it easily accessible with GraphQL.chain-indexerhttps://thegraph.com/en/; https://thegraph.com/docs/en/developing/defining-a-subgraph/The Graph’s hosted service does not currently support Cronos, but Cronos Labs may be able to host Graph endpoints for selected developers, or in the context of hackathons. Please email contact@cronoslabs.org for support.
HardhatEthereum development environment for professionalssmart-contractshttps://hardhat.org/; https://medium.com/cronos-chain/cronos-developer-series-deploy-verify-your-contracts-using-hardhat-8b6ab6928986
IBC (Inter Blockchain Communication)IBC is an interoperability protocol for communicating arbitrary data between arbitrary state machines, particularly between Cosmos SDK chainsbridgehttps://ibcprotocol.org/
Magic (ex Fortmatic)User Authentication and Private Key Management Solution for Web3 and Web2cronos-play, wallethttps://magic.link/; https://magic.link/docs/blockchains/cronos
MetaMaskA crypto wallet & gateway to blockchain apps; Start exploring blockchain applications in seconds. Trusted by over 30 million users worldwide.wallethttps://metamask.io/; https://medium.com/cronos-chain/cronos-developer-series-connect-your-dapp-with-defi-wallet-metamask-and-trust-wallet-77419fe696a5
MoralisMoralis provides a single workflow for building high performance dapps. Fully compatible with your favorite web3 tools and services.chain-indexer, cronos-playhttps://moralis.io/; https://docs.moralis.io/moralis-dapp/web3-api/supported-chains#supported-chains
OpenZeppelinReference library of standard smart contracts.smart-contractshttps://www.openzeppelin.com/contracts; https://docs.openzeppelin.com/contracts/4.x/The OpenZeppelin smart contracts work on Cronos like on any EVM chain.
OpenZeppelin Solidity WizardUse this interactive generator to bootstrap your contract and learn about the components offered in OpenZeppelin Contracts.smart-contractshttps://wizard.openzeppelin.com/#; https://wizard.openzeppelin.com/#See tutorial here: https://medium.com/cronos-chain/cronos-developer-series-create-deploy-a-smart-contract-with-openzeppelin-wizard-and-remix-5b6769fc8b93
Phalcon (Blocksec)Powerful transaction explorer designed for DeFi community.analyticshttps://phalcon.blocksec.com/; https://phalcon.blocksec.com/
RabbyMulti-chain walletwallethttps://rabby.io/
RockXYour gateway to crypto finance and blockchainsjson-rpchttps://www.rockx.com/; https://access.rockx.com/Free and paid JSON-RPC endpoints. Mainnet and testnet. Tutorial: https://www.youtube.com/watch?v=gvY2vyYSZHs
Smart Contract RecipesDeploy smart contracts in minutes. Library of standard smart contracts.smart-contractshttps://www.smartcontract.recipes/; https://github.com/Breakthrough-Labs/btlcontractsPaid service. Always check the code of the smart contract and get it verified on Cronoscan! Do not trust third party code without making your own verifications.
SubqueryQuery Decentralised Data Faster. (An alternative to The Graph)chain-indexerhttps://subquery.network/Resources: https://academy.subquery.network/build/cosmos-evm.html; https://github.com/subquery/cosmos-subql-starter/tree/main/Cronos/cronos-evm-starter; https://crofam.me/devtips; https://academy.subquery.network/quickstart/quickstart_chains/cosmos.html; https://discord.com/invite/subquery (including technical support)
SupraOracles

Supra is a novel, high-throughput Oracle & IntraLayer: A vertically integrated toolkit of cross-chain solutions (data oracles, asset bridges, automation network, and more) that interlink all blockchains, public (L1s and L2s) or private (enterprises).


oraclehttps://supraoracles.com/docs/overview/
TenderlyComprehensive Ethereum developer platform for real-time monitoring, alerting, debugging, and simulating smart contracts.smart-contractshttps://tenderly.co/Coming soon
TransakEnable users to buy or sell crypto from your app.; Available across 100+ cryptocurrencies on 75+ blockchains via cards, bank transfers and other payment methods in 125+ countries.cronos-play, onramphttps://global.transak.com/; https://global.transak.com/Supports CRO at https://global.transak.com/.
Truffle / GanacheThe Truffle Suite gets developers from idea to dapp as comfortably as possible.smart-contractshttps://trufflesuite.com/
Trust WalletBuy, store, collect NFTs, exchange & earn crypto. Join 25 million+ people using Trust Wallet.wallethttps://trustwallet.com/; https://medium.com/cronos-chain/cronos-developer-series-connect-your-dapp-with-defi-wallet-metamask-and-trust-wallet-77419fe696a5
UnityCronos integration of the Chainsafe Gaming SDK for Unity gaming enginecronos-playhttps://cronos.org/docs/play/getting-started.html; https://github.com/ChainSafe/web3.unity
UnmarshalThe easiest way to query Blockchain datachain-indexerhttps://unmarshal.io/; https://docs.unmarshal.io/
UnrealCronos plugin for Unreal gaming enginecronos-playhttps://cronos.org/docs/play/getting-started_unreal.html; https://github.com/cronos-labs/play-cpp-sdk
UseWalletuseWallet() allows dapp users to connect to the provider of their choice in a way that is as straightforward as possible.dapp-developmenthttps://www.npmjs.com/package/use-wallet-btl; https://www.npmjs.com/package/use-wallet-btlGithub repo: https://github.com/Breakthrough-Labs/use-wallet; This is a fork of: https://www.npmjs.com/package/use-wallet; with additional configuration options to support Cronos
Wallet ConnectWallet Connect is an open source protocol for connecting decentralised applications to mobile wallets with QR code scanning or deep linking.wallethttps://walletconnect.com/; https://docs.walletconnect.com/
Web3AuthSimple self-custodial auth infra for Web3 apps and walletscronos-play, wallethttps://web3auth.io/; https://web3auth.io/docs/connect-blockchain/cronosUnity SDK: https://github.com/Web3Auth/web3auth-unity-sdk; Unreal SDK (WIP): https://github.com/Web3Auth/web3auth-unreal-sdk
Web3js / Ethersjs / Web3py, etcA collection of libraries that allow you to interact with a local or remote ethereum node using HTTP, IPC or WebSocket.dapp-developmentOpen page to view; Open page to viewJavascript: Recommended: https://docs.ethers.io/v5/; Alernative: https://web3js.readthedocs.io/en/v1.7.4/; Python: https://web3py.readthedocs.io/en/stable/
WitnetWitnet enables your smart contracts to react to real world events with strong crypto-economic guarantees.oraclehttps://witnet.io/; https://docs.witnet.io/smart-contracts/supported-chainsSee tutorials here: https://medium.com/cronos-chain/random-number-generation-on-cronos-with-witnet-8b871beef59b; https://medium.com/@benjaminrokowski/46ec979aee3c; https://medium.com/witnet/how-to-deploy-a-price-feed-on-cronos-cro-ccf56438313; https://www.notion.so/0e6bc5ddbe4a4bf8a22c262dedfe268f