Library to handle Ethereum accounts, messages, and transactions.

GasFree SDK provides a Ruby interface for interacting with GasFree.io API, enabling gasless transfers of TRC-20/ERC-20 tokens. It supports address generation, transaction signing, and other operations described in the GasFree API specification.

TRON HTTP API client

Library to handle Ethereum accounts, messages, and transactions.

Client for accessing the Hive blockchain.

ICP Agent.

Library to handle Klaytn accounts, messages, and transactions.

Create private and public keys, sign events and validate their signature and schema

A production-grade Ruby client for Nostr Wallet Connect (NIP-47). Handles the Nostr protocol, NIP-04 and NIP-44 v2 encryption, secp256k1 key derivation, Schnorr signing, and — most importantly — a reliable long-running WebSocket connection to the relay with heartbeat pings, forced recycle, exponential backoff, and SIGTERM handling. Developers call `pay_invoice`, `make_invoice`, `lookup_invoice`, etc. and `subscribe_to_notifications { |n| ... }` — the transport reliability is hidden.

A Ruby gem for interacting with TRON blockchain APIs, including balance checking, resource information, and token prices.