Odaily Planet Daily News A group of developers will launch the Bitcoin on-chain DeFi and smart contract solution OP_NET testnet on Wednesday, stating that this will bring programmable capabilities to Bitcoin. OP_NET utilizes the Tapscript component of the Bitcoin Taproot upgrade, meaning it will support Ordinals and Runes. "We hope to see DeFi fully utilized on Bitcoin," developer Chad Master stated, providing a preview. (Decrypt)