🔈🔈 CRYPTO MARKET NEWS UPDATE – SEPTEMBER 21, 2026
💥 BTC is trading around $81,600 as fresh crypto security incidents, major blockchain decisions and new digital-asset products dominate today’s headlines.
💎 Top News Today:
✔️ ZetaChain to shut down its Layer 1 — The ZetaChain community approved a proposal to wind down its native L1 and migrate ZETA to Solana as an SPL token.
✔️ Polymarket faces reported $10M fraud attempt — A Wall Street Journal report detailed an alleged $10 million fraud attempt involving the prediction-market platform, raising fresh compliance concerns.
✔️ Visa moves against memecoin rewards loophole — Visa is reportedly moving to close a payment loophole that allowed some memecoin purchases to qualify for traditional credit-card rewards.
✔️ Fetch.ai and NuNet hit in $2M exploit — Security researchers linked attacks on both projects to the same wallet, with roughly $2 million in crypto assets reportedly drained.
✔️ Coinbase and Kalshi target U.S. stock perpetuals — Both companies have filed for products that would bring crypto-style perpetual futures tied to individual U.S. stocks into the American market.
✔️ Hong Kong ex-banker jailed over crypto-linked bribery case — A former banker was sentenced in a case involving alleged cryptocurrency bribes connected to a major financial fraud scheme.
💥 BTC is trading around $81,600 as fresh crypto security incidents, major blockchain decisions and new digital-asset products dominate today’s headlines.
💎 Top News Today:
✔️ ZetaChain to shut down its Layer 1 — The ZetaChain community approved a proposal to wind down its native L1 and migrate ZETA to Solana as an SPL token.
✔️ Polymarket faces reported $10M fraud attempt — A Wall Street Journal report detailed an alleged $10 million fraud attempt involving the prediction-market platform, raising fresh compliance concerns.
✔️ Visa moves against memecoin rewards loophole — Visa is reportedly moving to close a payment loophole that allowed some memecoin purchases to qualify for traditional credit-card rewards.
✔️ Fetch.ai and NuNet hit in $2M exploit — Security researchers linked attacks on both projects to the same wallet, with roughly $2 million in crypto assets reportedly drained.
✔️ Coinbase and Kalshi target U.S. stock perpetuals — Both companies have filed for products that would bring crypto-style perpetual futures tied to individual U.S. stocks into the American market.
✔️ Hong Kong ex-banker jailed over crypto-linked bribery case — A former banker was sentenced in a case involving alleged cryptocurrency bribes connected to a major financial fraud scheme.
