Siren token surges 340% in 7 days, draws scrutiny over concentrated supply

Cointelegraph.com NewsArkham data shows a wallet cluster holding 644 million SIREN, about 88% of the 728 million circulating supply, raising manipulation concerns. 

​Arkham data shows a wallet cluster holding 644 million SIREN, about 88% of the 728 million circulating supply, raising manipulation concerns.