The U.S. Department of the Treasury announced a broad sanctions action on August 24, 2026, targeting Iranian financial networks and other activities while also making significant changes to sanctions involving Syria. OFAC’s accompanying SDN List update includes several cryptocurrency addresses identified as “Digital Currency Address – XBT,” OFAC’s designation for Bitcoin.
Continue reading Treasury Action Adds Six Bitcoin Addresses to OFAC List, Removes OneCategory Archives: Famous Addresses
The Most Frequently Reported Bitcoin Scams Of 2020
The Top 25 Most Frequently Reported Bitcoin Scam Addresses to BitcoinWhosWho.com in 2020* received 9.5994793 total BTC.
Every single address is associated with the “sextortion” email scam first reported here in March 2018. There are many variations of the scam, but basically claims to have webcam footage of the email recipient visiting adult websites and demands payment in bitcoin or else the video will be sent to their contacts.
The average amount scammed was .092 BTC.
Top 25 Most Frequently Reported Bitcoin Scam Addresses of 2020
Continue reading The Most Frequently Reported Bitcoin Scams Of 2020New CIA Child Porn Bitcoin Ransom EMAIL
The first report of a Central Intelligence Agency officer sending ransom emails demanding bitcoin in exchange for concealing evidence of child porn was received March 16. Since then dozens of similar reports have come in, each demanding $10K USD payment to a different multi-sig address. As of this posting none of the reported addresses have received ransom payments.
Continue reading New CIA Child Porn Bitcoin Ransom EMAIL~2 BTC Burned in 2018
The number of bitcoin ever to be mined may be capped at 21 million but the total supply will always be less. How much less is a critical valuation metric for bitcoin economists. There are a variety of ways and reasons bitcoin can be taken out of circulation. The purpose of this post is to examine one reason: “burn addresses”.
Bitcoin Bomb Ransom Fizzled Out: No Payments Made By Deadline
There will be winners and losers in the race to become the best bitcoin extortionist emailer. The latest bitcoin scam email campaign looks like it will be one of the losers.
Starting this morning, from U.S. sources, BitcoinWhosWho.com began receiving reports of a fake bomb threat demanding $20k in bitcoin or a “mercenary” would blow up their building. So far no one has paid any of the 15 bitcoin addresses that have been identified. But, it would only take a few people falling for this to make it worthwhile for the scammer.
The email typically states the bomb or explosive device is made of “lead azide”, “Tetryl” or “Hexogen” but also “tronitrotoluene” has been reported.
Notably, the author really wants to be clear that everything is proceeding “according to my guide”. Oh, and BTW, the bomb will go off by the end of the day if you don’t pay.
Continue reading Bitcoin Bomb Ransom Fizzled Out: No Payments Made By DeadlineThe Future of Bitcoin KYC
The addition of two Iranian SamSam ransomware bitcoin addresses to the U.S. Department of the Treasury’s Office of Foreign Assets Control (OFAC) list ushered in a new era in Know Your Customer, Counter Terrorist Financing and Anti-Money Laundering (KYC/CTF/AML) regulation compliance for bitcoin transactions. From now on, no one is allowed to transact with these two bitcoin addresses:
1AjZPMsnmpdK2Rv9KQNfMurTXinscVro9V
149w62rY42aZBox8fGcmqNsXUzSStKeq8C
It’s a significant first. For responsible crypto exchanges and bitcoin ATMs operating in this wild west legal environment there are very few FREE KYC/CTF/AML compliance tools available. BitcoinWhosWho.com provides open-source data necessary to adhere to burgeoning global KYC/CTF/AML procedures involving bitcoin transactions.
- Monitor OFAC List
Prevent scam addresses from registering at an exchange. - Bitcoin Transaction Profiling
Warn customers before they send bitcoin to an accused scammer. - Wallet Risk Assessment
Mark wallets which have transacted with “scam” wallets to a higher degree of risk.
The First #Bitcoin Transaction; Was it for two @dominos or @PapaJohns #pizza?
[tweetshare tweet=”Whose pizza is worth $98 million today? @dominos or @PapaJohns #bitcoinpizzaday”]
Eight years ago “Jercos” sold “Laszlo” 2 pizzas for 10,000 BTC. It was the first transaction in bitcoin history for an economic good or service. At the time 1 BTC was $USD00.08.
[tweetshare tweet=”Eight years ago Jercos sold Laszlo 2 pizzas for 10,000 BTC #bitcoinpizzaday”]
Continue reading The First #Bitcoin Transaction; Was it for two @dominos or @PapaJohns #pizza?
BTCGlobal 5000 BTC Ponzi Collapse Reported
The total received balance is 4,575 BTC as of 24 Feb 2018.
29,000 people reportedly scammed by promises of 14% weekly returns. Continue reading BTCGlobal 5000 BTC Ponzi Collapse Reported
8.97 Bitcoins Burned In 2017
Most Frequently Reported Bitcoin Scam Addresses
These are the bitcoin addresses that were reported as being controlled by scammers the most often from Sept-Nov 2017.
The Most Frequently Reported Bitcoin Scam Addresses Continue reading Most Frequently Reported Bitcoin Scam Addresses