i heard in some documentary that Mt.Gox used to store the clients private keys in pure unencrypted text files.. wild days..


That's... kinda terrifying. Glad I was orange pilled after the tech matured more

Before seed phrases were a thing, it was the only way to hold your keys. Bitcoin Core itself doesn't actually support mnemonic seeds. 

chairman_pretense

Was this just a type of backup? What made it special?

Young buck here only 2 years into Bitcoin :)