KaleidoSwap, a decentralized exchange based on Bitcoin and the Lightning Network, has announced the completion of its Pre-Seed funding round, with participation from Bitfinex Ventures and Fulgur Ventures. The specific investment amount has not yet been disclosed. The new funds will be used to support KaleidoSwap's development of a DEX based on the RGB protocol on the Lightning Network, enabling trustless BTC-USDT transactions and expanding Bitcoin's DeFi capabilities. (cryptobriefing)