If those newbies really do their home work and learn bitcoin well before them start to hold or trade, them no supposed to get issues with wallet because for wallet security article wey I don read, them dey always state the importance of non custodial wallet as the best choice to keep your coin as a beginner or for small coins, but if you want keep really large number of coins, you are advised to use a hardware wallet, for top notch security. So any newbie wey carry strong head go keep em coin for exchange, na em sabi. Because when something go sup so, e no go fit blame anybody. Aside hack sef, some exchange dey block some accounts due to violation of rules and if your money dey inside, that on don go for life.