Jameson Lopp has a ton of resources on the topic (bitcoin centric, but lots of it translates immediately to other cryptos): https://www.lopp.net/bitcoin-inform

Jameson Lopp has a ton of resources on the topic (bitcoin centric, but lots of it translates immediately to other cryptos): https://www.lopp.net/bitcoin-information/security.html https://www.lopp.net/bitcoin-information/security.html