A reward of 2M satoshis is embedded in a lock box with a two hour time window: Wed May 26 2021 22:00:00 GMT +/- 1 hour The reward: https://www.blockchain.com/btc/address/bc1qa7dn06rv2h5kejwpkahw8ueqelpjlw8nta46g3 To claim the reward you will need to hack BTCTimeLockDecryption.exe before the timelock expires. This is a Windows x64 program. In order to help you understand … Continue reading Challenge 3.1