Building Blocks (47)

handcash-connect-sdk-js

HandCash

Server‑side Node.js SDK for securely interacting with HandCash accounts.

TypeScript

bsv-browser

BSV Association

Mobile browser for BSV identity + micropayments

TypeScript

identity-attribution

prof-faustus

Sparse-Merkle identity registry with ZK proofs and BSV anchoring.

Rust

idattr-onchain

prof-faustus

Anchor BSV identity-registry roots on-chain via BIP143/FORKID transactions.

Rust

tee-sim

prof-faustus

Software-simulated TEE / secure element for BSV identity.

Rust

nft-wallet-bsv

prof-faustus

Non-custodial BSV full-Script wallet with encrypted-NFT atomic swap.

Go

bsv-x402

Simon Bettison

A JavaScript client library for BSV micropayments over HTTP 402 / Browser Plugins

TypeScript

bsv-wallet

Simon Bettison

A Ruby implementation of the BRC-100 wallet interface for managing UTXO lifecycle, transaction construction, broadcasting, and proof management.

Ruby

vault-manager

deggen

Offline-first tool for managing BSV coins in cold storage

TypeScript

spv-wallet-web-backend

BSV Association

Custodial wallet web-backend for spv-wallet

Go

spv-wallet-js-client

BSV Association

TypeScript client for spv-wallet

TypeScript

spv-wallet-go-client

BSV Association

Go client for spv-wallet

Go

spv-wallet

BSV Association

Open-source non-custodial hosted BSV wallet

Go

py-middleware

BSV Association

BSV server middleware for auth + micropayments (Python)

Python

go-bsv-middleware

BSV Association

BSV middleware for auth + micropayments (Go)

Go

auth-express-middleware

BSV Association

BSV mutual-authentication Express middleware

TypeScript

authsocket-client

BSV Association

Mutually-authenticated WebSockets (client)

TypeScript

authsocket

BSV Association

Mutually-authenticated WebSockets (server)

TypeScript

message-box-client

BSV Association

Client-side tools for P2P messaging

TypeScript

message-box-server

BSV Association

BSV identity-based message box server

TypeScript

ump-services

BSV Association

User Management Protocol overlay

TypeScript

did-services

BSV Association

Decentralized Identifier overlay services

TypeScript

did-client

BSV Association

Discover DID records on BSV

TypeScript

identity-services

BSV Association

Public identity resolution overlay

TypeScript