Charm: A Framework for Rapidly Prototyping Cryptosystems
- python
- cryptography
- prototyping
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Self-hosted, non-custodial stablecoin payment gateway with x402 and invoice checkout. Accepts USDC, USDT, PYUSD and DAI across 8 networks with QR payments, payment links, settlement tracking and signed webhooks. REST API, micropayments, exports, zero platform fees and no KYC. Python, cross-platform.
- coinbase-x402
- coinpayments-api
- crypto-checkout-form
- crypto-payment-system
A minimal bitcoin library for MicroPython and Python3 with a focus on embedded systems
Metadata & configs for client apps in Polkadot & Kusama ecosystem
- blockchain
- dapps
- polkadot
- staking