Re: [bitcoin-dev] Proposal to stop processing of unrequested transactions in Bitcoin Core

Hi Jeremy, If I understand correctly your concern, you're worried that change would ease discovery of the node's tx-relay topology ? I don't scope transaction origin inference, if you suppose the unrequested-tx peer sending is the attacker it must have learnt the transaction from somewhere else wh

Re: [bitcoin-dev] Proposal to stop processing of unrequested transactions in Bitcoin Core

> I'm not sure of the existing behavior is of when we issue a getdata request, > but noting that there could be a privacy implication of this sort of change. > Could you (or someone else) expand on why this is not a concern here? What kind of privacy concern are you talking about? I'm not sure I

Re: [bitcoin-dev] Proposal to stop processing of unrequested transactions in Bitcoin Core

I'm not sure of the existing behavior is of when we issue a getdata request, but noting that there could be a privacy implication of this sort of change. Could you (or someone else) expand on why this is not a concern here? -- @JeremyRubin

[bitcoin-dev] Proposal to stop processing of unrequested transactions in Bitcoin Core

Hi, I'm proposing to stop the processing of unrequested transactions in Bitcoin Core 22.0+ at TX message reception. An unrequested transaction is one defined by which a "getdata" message for its specific identifier (either txid or wtxid) has not been previously issued by the node [0]. This change