Sort:  

What do you feel are these problems?

Economics, complexity, consensus, graphene.

At least participating in Steem doesn't requires a big mining rig.

Sure but you forfeit some control for that.

You don't have to use a mining rig to be a user of Bitcoin.

Not really sure your point.

Coin Marketplace

STEEM 0.06
TRX 0.31
JST 0.059
BTC 66261.37
ETH 1998.16
USDT 1.00
SBD 0.50