The miners mine and hold, other mine and sell.
Investors and speculators buy, hold and sell.
You can buy random items in auctions and through the forums.
What are the reasons for the bulk of the bitcoin transfers? I read an article underlying the "dark side" of the internet and TOR network, and they seem to point out that bitcoins are now nearly the exclusive currency for the online "black market" (Note, they are not saying bitcoins are exclusively used for black market transactions)
What have you used bitcoins for?
Miner
Investor
Black Market
Other - explain
My bitcoins is used for investment in trading,or hoarding it and exchange when time the value become $8000 in 1btc to buy some wants in my life,and the rest is for the future investment.some of my bitcoins i want to trade and buy any kind of altcoin and sold it when the time price is right to sell in blackchain.