BSV Building Blocks
Browse 137 BSV building blocks — SDKs, libraries, contract frameworks, and more.
Browse BSV apps — wallets, games, exchanges, dev tools.
Browse building blocks — SDKs, libraries, contract frameworks.
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Bitcoin UI blocks for React.
BigBlocks.dev provides production‑ready libraries, authentication components, MCP servers, and VS Code tools for building Bitcoin applications.
v0.0.1b-open-io/bigblocks-registry
Dev ToolingUI Blocks & Component Libraries
TypeScript
1
teranode-quickstart
Docker quickstart for running a Teranode node
bsv-blockchain/teranode-quickstart
Nodes & NetworkNode Implementations
TypeScript
overlay-express-examples
Example projects using overlay-express
bsv-blockchain/overlay-express-examples
Dev ToolingBoilerplates & Starter Apps
TypeScript
wallet-toolbox-examples
Example projects using BRC-100 wallets
bsv-blockchain/wallet-toolbox-examples
Dev ToolingBoilerplates & Starter Apps
TypeScript
WhoIAm
UI components of the SocialCert identity app
bsv-blockchain/WhoIAm
Dev ToolingUI Blocks & Component Libraries
TypeScript
amountinator-react
React components for currency amounts + conversion
bsv-blockchain/amountinator-react
Dev ToolingUI Blocks & Component Libraries
TypeScript
identity-react
React components for MetaNet identity resolution
bsv-blockchain/identity-react
Dev ToolingUI Blocks & Component Libraries
TypeScript
brc100-ui-react-components
Reusable BRC-100 wallet React components
bsv-blockchain/brc100-ui-react-components
Dev ToolingUI Blocks & Component Libraries
TypeScript
cars-node
Node software for the Cloud Automated Runtime System
bsv-blockchain/cars-node
Dev ToolingCLI Tools
TypeScript
cars-cli
CLI for the Cloud Automated Runtime System (CARS)
bsv-blockchain/cars-cli
Dev ToolingCLI Tools
JavaScript
lars
Local Automated Runtime System for BSV apps
bsv-blockchain/lars
Dev ToolingTesting & Local Networks
JavaScript
create-bsv-app
CLI for bootstrapping BSV React apps
bsv-blockchain/create-bsv-app
Dev ToolingBoilerplates & Starter Apps
JavaScript
spv-wallet-web-backend
Custodial wallet web-backend for spv-wallet
bsv-blockchain/spv-wallet-web-backend
Wallets & IdentityWallet-as-a-Service
Go
spv-wallet-js-client
TypeScript client for spv-wallet
bsv-blockchain/spv-wallet-js-client
Wallets & IdentityWallet-as-a-Service
TypeScript
spv-wallet-go-client
Go client for spv-wallet
bsv-blockchain/spv-wallet-go-client
Wallets & IdentityWallet-as-a-Service
Go
spv-wallet
Open-source non-custodial hosted BSV wallet
bsv-blockchain/spv-wallet
Wallets & IdentityWallet-as-a-Service
Go
payment-express-middleware
BSV service-monetization Express middleware
bsv-blockchain/payment-express-middleware
PaymentsOpen payment protocols
TypeScript
402-pay
402 Payment Protocol helpers
bsv-blockchain/402-pay
PaymentsOpen payment protocols
TypeScript
402-extension
Chrome extension for HTTP 402 BSV payments
bsv-blockchain/402-extension
PaymentsOpen payment protocols
TypeScript
ts-paymail
Paymail TypeScript implementation
bsv-blockchain/ts-paymail
PaymentsOpen payment protocols
TypeScript
go-paymail
Paymail toolkit for Go (full-stack)
bsv-blockchain/go-paymail
PaymentsOpen payment protocols
Go
py-middleware
BSV server middleware for auth + micropayments (Python)
bsv-blockchain/py-middleware
Wallets & IdentityAuthentication & MFA
Python
go-bsv-middleware
BSV middleware for auth + micropayments (Go)
bsv-blockchain/go-bsv-middleware
Wallets & IdentityAuthentication & MFA
Go
auth-express-middleware
BSV mutual-authentication Express middleware
bsv-blockchain/auth-express-middleware
Wallets & IdentityAuthentication & MFA
TypeScript