RT: #DGB Knowledge Check
A ___________ is an unspent transaction output. In an accepted transaction in a valid blockchain payment system (such as #Bitcoin, #Litecoin and #DigiByte), only unspent outputs can be used as inputs to a transaction.
@coinkit_ give 2 7 $DGB
RT：#DGB知识检查
\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu。在有效区块链支付系统（如#比特币、#Litecoin和#DigiByte）中接受的交易中，只有未使用的输出可以用作交易的输入。
@coinkit\u2 7美元DGB