Sort:  

Through an exchange. Go too coinmarketcap and find the exchange the trades the most volume and purchase there. I'm not familiar with the wallets for daxx but that's where I'd start.

Coin Marketplace

STEEM 0.06
TRX 0.31
JST 0.061
BTC 68229.58
ETH 2071.06
USDT 1.00
SBD 0.51