And somewhere, in the cold, silent arithmetic of the blockchain, Aris Thorne was still thinking.

Then she found the message. Buried in the OP_RETURN field of one of the "return" pulses was a tiny fragment of hexadecimal. She converted it to ASCII.

Elena had a choice. She could report this to her firm, and they would dissect his code, patent it, or erase it as a "security threat." Or she could save him.