Sort:  

Not quite sure about that. Can't you just make it so you can only sell it? Not to a private user but some Steem official place. Not quite sure it takes some more thinking to consider. Markets are interesting and can be complicated.

Coin Marketplace

STEEM 0.24
TRX 0.25
JST 0.040
BTC 94247.78
ETH 3407.39
USDT 1.00
SBD 3.45