ZachXBT質疑Circle應對安全事件不力，稱USDC生態存在中心化風險

SBI加密平台推出USDC借貸！首波12週期年利率10%，優於美元外幣定存

SBI VC Trade宣布自2026年3月19日起推出USDC借貸服務，年化利率最高可達10%。這是日本首個穩定幣借貸服務，旨在將數位美元應用於收益化，並強調用戶需承擔平台風險。該服務符合日本穩定幣的法律框架，象徵著穩定幣在當地市場的合法性與普及性進一步提升。

A user signed a malicious transaction and lost $200,000. GoPlus warns of Permit/Approve phishing attacks

Gate News reports that on March 20, according to GoPlus security monitoring, an address starting with 0x9709 signed malicious Permit and Approve transactions, resulting in approximately $200,000 in USDC and wmtUSDT being stolen by phishing attackers. GoPlus reminds users to carefully verify transaction details and contract addresses when signing any on-chain authorization (Approve) or offline signature (Permit) requests, and avoid signing malicious requests from unknown sources to prevent asset theft.

Solana 穩定幣供應量達 179 億美元創歷史新高，USDC 占比超 56%

Solana 區塊鏈穩定幣供應量達 179 億美元創新高，USDC 占比超過 56%。其穩定幣轉帳量超越以太坊和波場，顯示出在支付和資金流動方面的效率，突顯了其在經濟波動下的競爭優勢。

MLB 簽 Polymarket 獨家預測市場協議，美國各州監管陷分歧

美國職棒大聯盟（MLB）與去中心化預測市場平台Polymarket達成獨家合作，合約價值高達3億美元，標誌著預測市場監管的分歧。MLB此次與Polymarket及CFTC簽署協議，凸顯聯邦與各州對預測市場的不同管轄權立場。若各州勝訴，合約將可終止以降低法律責任，這也反映了預測市場向主流金融的逐步靠攏。

兩個未知錢包地址間發生 4.068 億 USDC 大额轉账

Gate News reports that on March 19, two unknown cryptocurrency wallet addresses transferred a large amount of USDC on-chain. The transfer amount was 406,839,885 USDC (approximately $406.8 million). The identities of the wallets involved have not been disclosed, and this large transfer has attracted attention from the crypto community.