This week in crypto news - Week 1, September 2026 ➜ Crypto traded flat as Treasury bond buyback momentum faded. ➜ Bitcoin and Ethereum funds saw over US$2B in combined inflows. ➜ AI-assisted researchers uncovered a critical Bitcoin Lightning vulnerability. ➜ 39 U.S. banking associations formed the BankChain Alliance. ➜ UK Treasury moved to give the Bank of England a stablecoin innovation mandate. Read the full Weekly Rollup newsletter! ⤵️