Odaily Planet Daily News Payment giant Visa and enterprise blockchain data provider Allium tracked Tether's USDT, Circle's USDC, Paxos' USDP and PayPal's PYUSD. The results showed that more than 90% of stablecoin transactions on Ethereum, Tron, and Solana chains occurred without human participation. These transactions are all "inorganic trading activities." (Decrypt)