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21 sats \ 3 replies \ @OT 6 Sep \ parent \ on: Understanding Silent Payments – Part I bitcoin
There is because the exchange can see where their UTXO was sent by checking the TXID.
The exchange/sender does not need to look on chain to know where they sent the bitcoin. The know who you are already. If you use the same address every time then everybody else that looks at the chain knows the transactions are linked. This solves the problem have needing to have some out of band communication or set up a server like btcpayserver to generate new addresses. It does not conceal of the identity of the receiver from the sender any more or less than a current bitcoin transaction does.
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I understand that it automates the generation of a new address each time. I just think bitcoiners need to understand there is still a link from the exchange (and authorities). The name is a little misleading IMO as it implies that its a private TX.
Uneducated Bitcoiners will likely use it and then end up consolidating UTXO's which defeats the whole purpose.
For donations, for I think this is the way. Maybe also for sending from a conjoin into cold storage.