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 vulnerable to double-spending and DoS attacks, ZenGo has found.