Wallet Security

Question 1

Online vs Offline storage

Answer 1

Store with online server coinbase etc
=> Storage service has all your private keys
Store on hardware offline
=> paper wallet (private key on qr code), hardware wallets

Question 2

Shamirs secret sharing

Answer 2

n shares where each is a point on a curve
with k shares curve can be restored => k points needed to get secret

Question 3

Securing with TPMS

Answer 3

Use tpm to secure hardware to only allow unsealing if specific software is running