San Francisco fintech firm Portal secured $34 million for its bitcoin-based decentralized exchange (DEX), emerging from stealth mode. Investors include Coinbase Ventures, Arrington Capital, OKX Ventures, and Gate.io. The funds will bolster the DEX’s development and a non-custodial wallet. Portal aims to facilitate peer-to-peer bitcoin swapping across blockchains sans intermediaries, addressing security concerns. The substantial investment signals optimism in crypto fundraising amid rising interest in bitcoin within decentralized finance (DeFi).