Today's blockchain and cryptocurrency news

Bitcoin is up slightly at $28,262

Ethereum is down slightly at $1,782

Binance Coin is up slightly at $338

Open interest on BTC futures hits $12B.

Signature Bank's non-crypto assets to be taken over by Flagstar bank.

FTX court filings allege Bahamas arm just a shell.

Belgian crypto ad rules changing May 17th

DWF labs invests $20M into Synthetix.

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