Because the address holds ~$10+ billion (as of 2024/2025 prices) and the public key is known, it has become a holy grail for:
Introduction
Conclusion
The string 1feexv6bahb8ybzjqqmjjrccrhgw9sb6uf is a Bitcoin address, not a public key itself (though it is derived from one). It is famously known for being the address that received over 185,000 BTC (worth billions today) from the infamous 2016 Bitfinex hack. 1feexv6bahb8ybzjqqmjjrccrhgw9sb6uf public key
Here is why this specific address and its public key are considered "interesting" in cryptocurrency history and cryptography:
As of 2025, this address holds approximately 79,956 BTC — worth billions of dollars. It has been untouched for over a decade. The funds were moved into it in two transactions in 2011, when Bitcoin was worth just a few dollars. Today, it ranks among the top 100 richest Bitcoin addresses.
For a standard Bitcoin address (P2PKH, starting with 1), the public key is not revealed until the funds are spent. For years, the public key for this address was unknown because the hacker never moved the majority of those funds. Because the address holds ~$10+ billion (as of
In April 2021, something dramatic happened: The owner of that private key (presumably the hacker or someone who gained access) signed a message or broadcast a transaction that revealed the public key.
No feature on 1Feex is complete without mentioning Craig Wright. The Australian computer scientist has famously claimed to be Satoshi Nakamoto, the pseudonymous creator of Bitcoin.
Wright has, in various legal proceedings and blog posts, claimed ownership of the 1Feex address. He has asserted that the funds are not stolen, but rather were moved by him for security reasons during the early days of the network. Conclusion
These claims have made 1Feex a centerpiece in the ongoing legal battles over Bitcoin’s intellectual property and the identity of Satoshi. If Wright could prove he controls the private key to 1Feex by signing a message with it, his claims would gain immense legitimacy.
However, to date, he has never provided cryptographic proof of ownership for this specific address. This standoff has turned 1Feex into a digital courtroom, where the jury is the blockchain itself, waiting for a definitive signature that never comes.
From blockchain records, the public key associated with that address is:
04a34b99f22c790c4e36b2b3c2c35a36db06226e41c692fc82b8b56ac1c12c8f3a423e244d6e7b80cc85f8c9a00d37ea2b434204c1232c56bc2ad9c9ea3cef2504
(Uncompressed public key format)
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