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Questions tagged [address-reuse]

Collects questions about using the same address on more than one occasion to receive payments, and the resulting issues such as multiple inputs in the blockchain referencing utxos associated with one address.

20
votes
3answers
8k views

Is it safe to reuse a Bitcoin address?

Besides the obvious privacy implications, and (according to a bitcointalk.org forum post) the fact that once an address is used your coins that rest on it safety depend entirely on the ECDSA safety (...
9
votes
1answer
2k views

Should I use a different address for every transaction?

Should I use a different address for every transaction? If yes, why? For safety? What happens I use the same address to get bitcoins from 2 different people, what happens?
3
votes
1answer
333 views

Why new public key for every new request?

I created Bitcoin accounts using different clients but all clients I tried prompt for new public key for each request. My question is shouldn't be the public key one's identity which one should be ...