It would be a step backwards. Steem is BlockChain baed, which makes it no hackable.

The only way to loose your money is if someone hack your colputer and get your keys. Uf youbare cuatious, it shouldn't happend.

Even if it would happend, thedevs are working on a way to prenvent even that.

Digital steem are very secure !

The only cool phosical stuff you could do is to produce a collector steem silver coin.