Last Updated on December 1, 2023
An unidentified address accumulates over 12k BTC in a month:
https://crypto.news/an-unidentified-address-accumulates-over-12k-btc-in-a-month/
Crypto Bankruptcy Claims: What They Are And Where You Can Trade Them:
https://www.coingecko.com/learn/crypto-bankruptcy-claims
For example: User A had deposited crypto funds on Exchange B. When Exchange B declared bankruptcy, User A received a claim against Exchange B for the return of their deposited funds. User A can sell this claim to User/Company C, transferring their right to attempt collecting the lost funds from the bankrupt exchange.