blockchain exploit
Doge
Exploit
Hack
Halborn
litecoin
LTC
patch
Vulnerability
Zcash
zero-day exploit
More than 280 blockchains at risk of ‘zero-day’ exploits, warns security firm
Dogecoin, Zcash and Litecoin have already patched the “critical” vulnerability, but hundreds of others may not have, risking billions' worth of crypto.