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ホワイトハッカーの限界

ビットコインのマネロン対抗の脆弱さを理解しながら
法定通貨との交換を認可した金融庁にも責任ある
法定通貨と認可することで

マネロン対策が脆弱なBTCなどを利用した医療機関を狙ったランサムウェア攻撃急増。ドイツでは死亡者も

国際問題に発展
G7もcrypto-assets（暗号資産）を問題視　

The G7 draft also expresses concern about the rising threat of ransomware attacks,
which are on the rise as the COVID-19 pandemic shifted economic activity on-line.

“These attacks, which often involve payments in crypto-assets,
jeopardize essential functions along with our collective security and prosperity.
We affirm our resolve to combat this threat collectively as well as individually,” the draft said.

https://www.reuters.com/article/us-g7-stablecoin/facebooks-libra-must-not-start-until-properly-regulated-g7-draft-idUSKBN26X21I