"Single bitcoin" refers to a unit of the digital currency known as bitcoin. It is a specific amount of bitcoin that can be bought, sold, or exchanged individually. Full definition
The truth is all my Bitcoin is robbed from me by the hackers and I do not own even one single Bitcoin Address. (blog.dustintrammell.com)
Bitfinex's cold storage wallet, which is the largest single bitcoin wallet comprises of 1 % of the total supply with a holding exceeding 168000 bitcoins. (kryptomoney.com)
Led by Firestartr.co, the audit required the creation of the largest single bitcoin wallet and transaction in history. (coindesk.com)