Why Does My BTC Address Change After Use?

I just realized my unstoppable wallet changes my Bitcoin address every time I get paid. I use it for mining rewards and online payments. But why does it do that? It feels weird... Also, does this help with privacy? I heard someone say it limits risks from quantum computers, which sounds odd to me. I mean, will a quantum computer just hack my address?

Changing addresses is good for privacy. Most wallets do this now, especially the ones with more features. Exchanges usually stick to one address, but it’s a common practice to avoid reuse.

Yeah, exactly! It keeps your transactions separate, so they're harder to track. But I think the unstoppable wallet is kinda lacking since you can't see the list of your generated addresses. Other wallets like Electrum or BlueWallet do that.

The whole point is privacy. When you receive BTC to one address, the next time you want a new one, it gives you a different one to avoid reuse... which is good! The issue with unstoppable wallet is you can't view your past addresses.

It's not just about quantum computers. Address reuse can expose your public key, making it vulnerable. When you receive funds, only the address hash is on chain. If you keep using the same address, you risk exposing your key.

For sure! If you always change your address, it keeps your balance and transaction history hidden. Hackers find it way easier to trace your funds if you stick to one address. Changing them makes that way harder.

Just a heads up, the quantum computer thing is about needing your public key to crack the private key. So splitting your BTC into different addresses helps by keeping your public key hidden most of the time.

Yeah, it’s all about your privacy! Even beyond the quantum threat, using different addresses is key. You should always switch it up to protect your info!

Some wallets don’t always support address changes, but understanding why it matters is key. Many users don’t really get the importance of using a wallet that supports changing addresses.

Is it really that big of a deal? You can still use your old address if you want. It's all about privacy as the other user said. If you use the same address, then the sender can trace your funds easily.

Yo @Cookdata, is this changing address thing also possible on hardware wallets? I’ve only used my hardware wallet with the same address each time. Maybe it’s linked to my air-gapped device?

Once you spend coins from an address, it's not about multiple uses that makes it vulnerable. Even using it once exposes the public key, which could be a problem later if quantum computers come into play.

This has been a known practice for a long time now. It’s more about privacy than quantum threats. Isolating transactions helps keep them from being linked back to you.

The receive address is generated but may not always be visible, depending on the wallet. Many hardware wallets and some software wallets emphasize privacy by avoiding address reuse.

Makes sense! Wallets like Electrum show generated addresses, while others hide them. Avoiding address reuse is definitely important for keeping things private.

Changing your address after each transaction is key for privacy. The other party already knows your first address, so it can link everything back to you if you keep using it.

Satoshi even mentioned this! It’s all about protecting your privacy. But you need to spend everything on that address and avoid mixing it with others to really keep it private.

Using different wallets and change addresses is solid advice for privacy. Satoshi also said wallets should never be deleted, even if you don’t use them anymore.