Blockchain

node.js module to access the blockchain websocket api

A module to store and interact with blocks

A module to store and interact with blocks

High-level javascript interface for blockchain communication

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

A module to store and interact with blocks

Solana Javascript API

Throw, identify, and decode Solana JavaScript errors

Encoding helpers for blockchain projects

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

Math helpers for blockchain projects

Cryptography resources for blockchain projects

Codecs for numbers of different sizes and endianness

Codecs for strings of different sizes and encodings

Utilities for identifying and managing blockchains

Codecs for various data structures

Ability to test bloom filters for ethereum.

Managing and serializing Rust-like Option types in JavaScript

A library for encoding and decoding any data structure

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

A collection of useful addresses on various chains for defi development

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

Eslint config for appliedblockchain

Assertion combinators.

Monadic parser combinators.

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

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

JavaScript library containing aggregated information and abstractions for web3 blockchains.

Command line tool for developing ambitious ember.js apps

🔌 TypeScript bindings for Ethereum smartcontracts

The JavaScript SDK for Axelar Network

A Node implementation for accessing the Blockchain.info API.

Utilities for identifying and managing blockchains

Utilities for interacting with the blockchain.

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

OCI NodeJS client for Blockchain Service

Core TypeScript library that implements low level primitives for TON blockchain.

Light client that connects to Polkadot and Substrate-based blockchains

JavaScript and TypeScript library to work with candid interfaces

JavaScript and TypeScript library to work with Internet Computer principals

Cross-platform crypto primitives for building apps for TON blockchain. For internal implementation of `@ton/crypto`.

Zero-config TypeChain support for Hardhat

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.

Library of implementations for interfacing with the NEAR blockchain

A JS implementation of Uniform Resources(UR) Registry specification from Blockchain Commons

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