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Lightweight Bitcoin payment processor written in easily deployable Python. Self custody donations and payments on-chain & Lightning network, directly connected to your own Bitcoin node! No middleman/custodian.
A sandbox to run and debug smart contracts for FRAME Contracts pallet and also a sandbox framework for Substrate runtime.
Redspot is an Substrate pallet-contracts (ink!) development environment. Compile your contracts and run them on a different networks. Redspot's core forks from Hardhat but changed a lot to suit substrate.
Wasm smart contract networks powered by Substrate FRAME Contracts pallet in Polkadot ecosystem.