Ross Ulbricht received 300 Bitcoin at his public donation address, sparking speculation over its origin.The Bitcoin was routed through a centralised mixing service called Jambler, with on-chain data showing it originated from long-dormant addresses.Speculation regarding the donation being a self-donation or a hidden Silk Road stash was disproved by ZachXBT.Ulbricht's Bitcoin-only auction on Scarce City, raising US$1.8M, coincided with the donation following his pardon in January 2025.