Unprunable data storage on the Bitcoin blockchain.
Bitcoin Stamps are a protocol for embedding data directly in Bitcoin transactions using bare multisig outputs, ensuring permanent on-chain storage that cannot be pruned by node operators. Created by Mike In Space.
| Repository | Description |
|---|---|
| btc_stamps | Indexer — parses and indexes all Bitcoin Stamps transactions |
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| stampchain.io | API & Explorer — public REST API and block explorer at stampchain.io |
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| tx-builder | Transaction Builder — Bitcoin Stamps & SRC-20 transaction library (NPM · JSR) |
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| stamps_sdk | SDK — TypeScript library for building with Bitcoin Stamps |
| stampchain-mcp | MCP Server — AI integration via Model Context Protocol |
See also: btc-stamps org for protocol tooling and open-source libraries
| Standard | Description |
|---|---|
| stamps | Bitcoin Stamps Protocol Definition |
| src-721 | SRC-721 — Non-fungible token standard for Stamps |
| Glyphs | Fungible token meta-protocol built on Counterparty |
| Resource | Link |
|---|---|
| Technical Whitepaper | bitcoinstamps.xyz/en/whitepaper · Source |
| SIP Roadmap & Registry | bitcoinstamps.xyz/en/protocols/sips |
| SIP Process (SIP-0000) | GitHub Issue #686 |
| API Documentation | stampchain.io/docs — OpenAPI/Swagger reference |
| Protocol Documentation | bitcoinstamps.xyz — Guides, tutorials, and protocol specs |
KuCoin · SuperEx · OpenStamp · Leather Wallet
Built with Bitcoin. Permanent by design.