UPDATED 6/13/17: A second 2011 first series Casascius physical bitcoin has sold on eBay for $10,100, eclipsing the previous record set last week by $3,000! This one was not in mint condition either having been “removed from the capsule only twice”. The address 16cVGhzpeNzCKNcz4q5jBoKzNJRKHds4av still shows 1 BTC.
ORIGINAL: A mint 2011 series 1 Casascius physical bitcoin sold for USD $7,100 on eBay yesterday. The address, 17xS2adEin5TYQU4xnaBYaHoQDEzHvkg6L, containing 1 BTC, attracted 14 bidders and started at $.99 on May 26th. A bidding war for the “physical” bitcoin reached $2,500 after the first day and $4,050 to start the last day June 5.
UPDATE: WannaCry Ransomware Attack up to 14.08007493 BTC on 92 payments as of 11:30am ET May 13. Balances more than doubled in 12 hours.
Today’s widely reported WannaCry ransomware attack is extensive, growing and has already yielded ~USD$12k in profits according to a quick analysis of the BTC addresses involved. On May 12 the 3 bitcoin addresses known to be receiving extortion payments show receipt of 6.49372428 BTC in 39 separate transactions with ransom varying between .15 to .30 BTC each. None of the balances have been moved to new bitcoin addresses since receipt.
Lost coins only make everyone else’s coins worth slightly more. Think of it as a donation to everyone.
– Satoshi Nakamoto
There will eventually be 21 million bitcoins mined however that will never be the true number in circulation. The distinction is important if you want to precisely measure bitcoin value and market capitalization which is setting new records. Not all bitcoin addresses can be spent. The genesis block can never be spent. Likewise any bitcoin sent to a “burn” address are also forever unspendable. A bitcoin burn address is like an impossible vanity address. There is no private key to a burn address and one would be impossible to generate. These are not merely ‘zombies‘ but truly gone forever. How many bitcoins have been “burned” exactly? Continue reading Lost Forever 26.04 BTC Burned In 2016→
In case you thought all the “first” bitcoin transactions had been completed, turns out you were thinking too small. Congratulation Genesis Mining! A few weeks ago they conducted the first bitcoin transaction in space. Continue reading First Bitcoin Transaction In Space→
Citing security concerns with the possibility of endangering personal information and the privacy of users in relation to the planned release of the list of bitcoin addresses controlled by now-defunct Bitcoin exchange Mt. Gox, the trustee has suspended the release.
Fortunately we have collected some from other sources and will update as able.