$350M left an exchange's hot wallets today. In the coming days it will be split, bridged and deposited across a dozen venues, and not one of them can check whether the address receiving it belongs to the same verified party as the address sending it. We published the answer today: Provenance Proofs. A wallet proves that several addresses share one hidden origin, across chains and cryptographic schemes, without revealing the seed, the keys or the rest of the wallet. A bridge can verify it before releasing funds. An exchange can recognise deposits from a wallet it already onboarded. Post-quantum, zero-knowledge, and the user chooses how linkable they want to be. Read more in @TheNextWeb feature.