Double-Spend

Juan Benet Filecoin
$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?
Juan Benet Filecoin

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

Shutterstock (modified with PhotoMosh)
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.
Shutterstock (modified with PhotoMosh)

(Adrian Swancar/Unsplash)
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.
(Adrian Swancar/Unsplash)