Hi Bitcoin Developers,<div><br /></div><div>Address re-use is bad for privacy and such transactions affect everyone involved. A mempool policy to reject such transactions will be useless, however packages could be redefined to avoid address re-use in package transactions.</div><div><br /></div><div>BIP 331 defines packages as a list of unconfirmed transactions, representable by a connected Directed Acyclic Graph (a directed edge exists between a transaction that spends the output of another transaction). With the new definition, transactions with address reuse cannot be a part of package relayed by nodes with SENDPACKAGES P2P message.</div><div><br /></div><div>The only downside that I could think of is the scanning time required to check address reuse. Maybe others could suggest solutions for this problem or we can limit the address reuse check only for the chain of transactions.</div><div><br /></div><div>I am not sure if BIP author would agree with this change and a new BIP wont make a difference if its not implemented in bitcoin core.</div><div><br /></div><div>/dev/fd0</div><div>floppy disk guy</div>

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