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sorry for posting on this old post. i want to ask where you get the public keys for the 120 key from?
The creator made outgoing transactions from the addresses divided by 5 (..,100,105,110,115,120,125,... 160)
So, you can find the public key in blockchain:
https://www.blockchain.com/btc/tx/17e4e323cfbc68d7f0071cad09364e8193eedf8fefbcbd8a21b4b65717a4b3d3?page=3See the Index 11 (as outgoing transaction for 17s2b9ksz5y7abUm92cHwG8jEPCzK3dLnT), and you will find the public key in SigSciprt (use ASM format for better understanding)