Blockchain News Siren token surges 340% in 7 days, draws scrutiny over concentrated supply 3 months ago Arkham data shows a wallet cluster holding 644 million SIREN, about 88% of the 728 million circulating supply, raising manipulation concerns. Tags: Blockchain Continue Reading Previous Coinbase, Apex Group tokenize Bitcoin Yield Fund on BaseNext STS Digital taps Kraken as distributor for structured crypto platform More Stories Blockchain News Mastercard expands support to USDC, PYUSD, RLUSD stablecoin settlement 4 days ago Blockchain News Cardano’s TapTools to wind down after 5 execs exit 4 days ago Blockchain News Bankr temporarily disables transactions after 14 wallets hacked 3 weeks ago