ChainCatcher news, Bitcoin native data availability layer Nubit has completed its angel round financing, with Bounce Finance and domo participating, but the amount raised has not been disclosed.According to RootData, Nubit is a Bitcoin native data availability layer designed to change the way transactions are processed on the Bitcoin network. Its development team Riema has proposed BRC-1310, a specialized Bitcoin native data availability standard that includes Bitcoin native staking, data availability sampling technology, direct data proof on the Bitcoin network, and decentralized bridges.