Last week, a unique Bitcoin picture puzzle went viral, challenging players to uncover the private key to a wallet containing 310 BTC (worth approximately $1.9 million at the time). The prize was magnitudes larger than typical 1-5 BTC rewards in similar puzzle games, sparking both excitement and skepticism across the crypto community. Within a week, the wallet was emptied in a single transaction on October 10, 2018, indicating that the grand prize had been claimed.
The Game and Its Unprecedented Prize
The anonymous creator, using the alias “Pip,” launched the Bitcoin Challenge website with a black-and-white mosaic image containing hidden numbers and letters supposed to represent the private key. Pip proved ownership of the wallet by signing a message, confirming the 310 BTC were indeed under his control. “I’m an early BTC adopter. I mined a lot in the early days and bought more later. This is my first experiment, and I will probably launch more challenges in the future,” Pip wrote in a brief FAQ. He explained his anonymity by stating he didn’t want his entire wealth publicized for safety reasons.
Mystery of the Winner and Motives
In addition to the main 310 BTC prize, the image contained smaller private keys for wallets with 0.1, 0.2, and 0.31 BTC. The first of these smaller keys was reportedly found by a user called “Lustre.” However, who claimed the 310 BTC remains unknown. No public announcement or proof was shared by the winner. It is also possible that Pip himself moved the funds as part of an elaborate meta-game to deepen the mystery. The 310 BTC transaction on October 10 could have been a winner’s withdrawal or the creator’s own move—but no evidence clarifies this.
The Rise of Bitcoin Puzzle Games
Cryptocurrency puzzle games have grown in popularity, blending cryptography with detective work. While most offer small rewards, occasional huge jackpots like this one attract massive attention. The community continues to debate the legitimacy and outcomes of such challenges. “Have fun cracking the code!” Pip said. That code has now been cracked, but the questions linger: Was the reward truly claimed by a player, or was it all part of a larger puzzle? The Bitcoin ecosystem watches and waits for the next chapter.
What are your thoughts on Bitcoin puzzle games? Let us know in the comments below.

