btcrelay

digitaldonkey/ethereum-php491

Blockchain client

A PHP interface to interact with the Ethereum blockchain

bitpay/bitcore-channel49

Payment contracts

Enables trustless simultaneous payments and rapidly adjusting bitcoin transactions via smart contracts

satsale/satsale240

Payment processor

A Python-based Bitcoin payment processor with on-chain and Lightning network support.

tintinweb/smart-contract-sanctuary1.5K

Contract hub

A repository of verified smart contracts and support scripts for various blockchain networks.

zyield/eth_contract14

Contract caller

A set of helper methods to call and query Ethereum smart contracts via JSON RPC.

eth-sri/zkay83

Smart contract compiler

Tools and language for compiling and deploying private smart contracts on the Ethereum blockchain

pubkey/eth-crypto884

Ethereum crypto library

Provides cryptographic functions for Ethereum transactions and smart contracts

ethereum/sourcify791

Contract verifier

A decentralized service for verifying the integrity of smart contract source code on Ethereum.

consensys/abi-decoder643

Transaction decoder

A Node.js and JavaScript library used to decode data parameters and events from Ethereum transactions.

sec-bit/tokenlibs-with-proofs97

Token contract verifier

Verifies the correctness of Ethereum token contracts using formal methods and proof assistants.

ethworks/ethereum.rb732

Ethereum client

A Ruby library for building and interacting with Ethereum smart contracts on the blockchain

ethereum-lists/contracts130

Contract registry

A registry of deployed contracts and their associated security contact information

conflux-chain/web3pay-service3

Blockchain payment processor

Enables billing and payment processing using blockchain-based smart contracts.

compound-finance/compound-protocol1.9K

Lending protocol

An Ethereum smart contract protocol for lending and borrowing assets

merklejerk/solpp112

Contract preprocessor

A preprocessor and flattener for Ethereum's Solidity source files