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A Swiss non-profit that stewards the BSV protocol, funds its reference node software and coordinates the developer ecosystem. Work spans specification, developer education, ecosystem partnerships and running public services such as the WhatsOnChain explorer.

Where the BSV ecosystem's technical proposals are indexed and published. The collection covers wallets, transactions, scripts, key derivation, overlays, payments, peer-to-peer messaging and tokens, with reference implementations maintained separately by the BSV Association.

Micropayment-funded social network where posts, likes and replies are written to chain and cost a few cents each. It closed in June 2024 after failing to reach a scale at which those fees could sustain the business, and returned in mid-2026 as an invitation-only beta.

A Bitcoin SV social network in which upvotes carry actual micropayments to the author. Posts sit on-chain in threaded branches, and the service adds AI image and video generation plus a command-line tool for developers.

Store-and-forward relay letting BSV wallets exchange transactions and messages without both parties being online simultaneously. Distributed as an npm client package plus a Go server implementation, and used for peer-to-peer payment flows and agent-to-agent messaging demos.

Peer-to-peer screen sharing that identifies participants by BSV wallet signature instead of an account. Sessions can be opened publicly by room code or locked to verified keys, and add camera, recording, annotation, chat and drag-and-drop file transfer.

An embedded domain-specific language based on TypeScript that compiles to Bitcoin Script. Tooling includes a VS Code extension, browser playground, debugger and testing framework; the company has since extended its work toward BTC, Runes and zero-knowledge proofs.

Founded in Sendai in August 2020 and headed by representative director Ken Sato, this Japanese firm builds UTXO-based blockchain products: a wallet that hides the crypto layer from end users, a digital marketplace, a trading-card game and an NFT API for developers.

Delaware-registered developer that maintains the STAS token SDK and has since broadened into a portfolio of applied AI tools, among them ChainFacts for blockchain intelligence, TimeSeal for data integrity and products aimed at legal, education and finance workflows.

A token protocol whose name stands for Substantiated Tokens from Actualized Satoshis. Tokens are represented directly by satoshis carrying a locking script, and an open-source JavaScript SDK handles issuance, transfer, splitting, merging, redemption and atomic swaps.