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Double-Spend
$4.6M in Filecoin 'Double Deposited' on Binance; Exploit Open on Other Exchanges
It’s not a “true” double-spend, but does it matter if funds can still be duplicated and traded on an exchange?

The Bitcoin Double-Spend That Never Happened
No coins were added to the bitcoin supply, as some headlines might lead you to believe.

Ethereum Classic Attacker Successfully Double-Spends $1.68M in Second Attack: Report
The attacker attempted to double-spend roughly $3.3 million during the second attack.

Researchers Expose Flaw in Bitcoin Wallets That Could Be Exploited for Double-Spending
A standard way to transact bitcoin could be misused to enable a kind of double-spending, new research has found.

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