Blockchain

node.js module to access the blockchain websocket api

A collection of useful addresses on various chains for defi development

High-level javascript interface for blockchain communication

A module to store and interact with blocks

A module to store and interact with blocks

A module to store and interact with blocks

Solana Javascript API

Ability to test bloom filters for ethereum.

Web3 module to interact with the Ethereum blockchain and smart contracts.

Web3 module to interact with the Ethereum blockchain accounts stored in the node.

TypeScript descriptions of Stacks 2.0 blockchain API entities

AWS SDK for JavaScript Managedblockchain Client for Node.js, Browser and React Native

A Node implementation for accessing the Blockchain.info API.

Cryptography resources for blockchain projects

A block tracker for the Ethereum blockchain. Keeps track of the latest block.

Encoding helpers for blockchain projects

Math helpers for blockchain projects

Utilities for identifying and managing blockchains

Eslint config for appliedblockchain

Core types and helpers for encoding and decoding byte arrays on Solana

Codecs for numbers of different sizes and endianness

Codecs for strings of different sizes and encodings

Codecs for various data structures

Managing and serializing Rust-like Option types in JavaScript

Throw, identify, and decode Solana JavaScript errors

🔌 TypeScript bindings for Ethereum smartcontracts

Hardhat is an extensible developer tool that helps smart contract developers increase productivity by reliably bringing together the tools they want.

A library for encoding and decoding any data structure

Command line tool for developing ambitious ember.js apps

Assertion combinators.

Monadic parser combinators.

Utilities for interacting with the blockchain.

JavaScript library containing aggregated information and abstractions for web3 blockchains.

(De)serialization functions for the Cardano blockchain along with related utility functions

Zero-config TypeChain support for Hardhat

JavaScript and TypeScript library to work with Internet Computer principals

JavaScript and TypeScript library to work with candid interfaces

Light client that connects to Polkadot and Substrate-based blockchains

This TypeScript package provides low-level bindings to the [Substrate JSON-RPC Interface](https://paritytech.github.io/json-rpc-interface-spec/introduction.html), enabling interaction with Substrate-based blockchains.

Javascript library for constructing transactions on the Stacks blockchain.

Library of implementations for interfacing with the NEAR blockchain

OCI NodeJS client for Blockchain Service

Crockford base-32 checksum encoding

JavaScript and TypeScript library to interact with the Internet Computer

Blockchain utils for linking blockchain accounts to DID

The best way to connect a wallet

A library and cli to create a local blockchain for fast Ethereum development.

converts michelson data and types into convenient JS/TS objects