Bitcoin #wallets older than 2016 could be #vulnerable to critical #security flaws, potentially putting over $1 billion at risk. Many wallets were built on open-source software with weak random number generators, making them susceptible to brute-force #attacks. Unciphered has contacted over a million people to address the issue, but millions more may be affected with no direct way to notify them.


Gizmodo
Millions of Old Bitcoin Wallets Have Critical Security Flaws, Experts Say
If you're using a wallet older than 2016, you need to act fast.















