Hey,

Since bitcoins are traceable due to the public nature of the blockchain, I decided to try to trace coins from my address for fun, hoping to reach the address which mined them.

All was going well until I reached a transaction where an address received its coins from many addresses. The transaction hash is: e2c7353345d56e469055ff96f135575154e6f8b6528adbfc60a30a420365cc6b. The receiving address in question is 1PRn8PPUmZeiLP4GWoca5pvnj3GsdKGtPp, which received 100BTC from multiple addresses.

Could somebody give me some details about what could have probably happened here? How come multiple addresses transferred their coins into one address in the same block? Was an exchange involved here?

Ultimately, how do I continue tracing my bitcoins back from here?

Cheers!