This is fascinating. Essentially they served a legal summons in the OP_RETURN of a Bitcoin transaction
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Funds taken where in custodian wallet at CoinBase.
On Dec. 14, 2023, a federal judge in the Eastern District of California granted Dellone permission to serve notice of his lawsuit directly to the suspected hackers’ bitcoin address — using a short message that was attached to roughly $100 worth of bitcoin Mora sent to the address.
He gave the address another $100 dollars of bitcoin. Man this is some stupid fiat thinking.