Somewhere in the blockchain, probably divided into smaller chunks. The way Bitcoin is set up, you can follow transactions, but it's very hard to track buyers/se

Somewhere in the blockchain, probably divided into smaller chunks. The way Bitcoin is set up, you can follow transactions, but it's very hard to track buyers/sellers. It's a paradox: Bitcoin's strength is that it's untraceable and unregulated, but in cases like this those exact strengths are pitfalls at the same time.