Svmuu News Ethereum Layer-2 network Starknet announced on X the launch of "plug-and-play" open-source integration solution Starkzap, which enables applications to be quickly upgraded to on-chain consumer apps,without requiring developers to handle private key management, gas fees, or frequent wallet pop-ups themselves. It also integrates Bitcoin with features such as stablecoin payments, yield and staking products, and self-custody wallets.