If it's any substantial amount of money create a new wallet (seed) in blue wallet and transfer the funds to that one.
If the amount of the coins is not small, it is good to look for wallet that has better security just like Electrum on an airgapped device or cold hardware wallet like Foundation Passport. This is not new to you but maybe this might be helpful to knowngunman. 
Topic: My address changed after transaction (Read 137 times)
Is there any problem importing address into Trustwallet?
Yes, with importing the same seed phrase in a different software, you open a new attack vector for hackers and you decrease your security.Also note that trustwallet is close-source and you should never use it.
To add to this, keep in mind once you put your seed phrase into any closed source wallet it's not like deleting the wallet makes it safe again.
You do not know what trustwallet did with your seed.
If it's any substantial amount of money create a new wallet (seed) in blue wallet and transfer the funds to that one.
-Dave
Why the change of address after each transaction?
For your privacy.Quote
Will I still receive the funds sent to any of the used address (s)?
Yes, you can receive bitcoins sent to your previously used public addresses. Because these addresses all belong to your wallet.Quote
Does this address have a unique private keys?
Yes, one public address is taken from one private key but with a hierarchical deterministic (HD), you can start from a wallet seed to create a tree of keys. You can use any of these keys.https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch05_wallets.adoc
https://learnmeabitcoin.com/technical/keys/hd-wallets/
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Is there any way to stop that?
Why do you need to stop a good feature for your privacy.What is Bitcoin change address?
Oh...I have the phrases for the main wallet but is there any necessity for me to write out each address key again?
Your seed phrase (+ passphrase, if there's any) is all you need to generate your private keys and you don't need to backup the individual private keys.Is there any problem importing address into Trustwallet?
Yes, with importing the same seed phrase in a different software, you open a new attack vector for hackers and you decrease your security.Also note that trustwallet is close-source and you should never use it.
Why the change of address after each transaction?
Aside from privacy, you can label each address where you have easier time to find out how you receive/send Bitcoin.
Is there any way to stop that?
Their documentation doesn't mention any way to do that[1]. But if you really want to use same address, head to address tab and copy older address.
[1] https://bluewallet.io/docs/
It is showing used because you have used that address to receive funds, but it does not mean anything.
That is the reason why I asked the question here. By showing that used, I thought I can not longer make use of that address and probably lose coins sent there but I'm cleared now. Thank you.
Yes. But they're all derived from the same seed phrase (probably 12 words, you should have a safe backup).
Oh...I have the phrases for the main wallet but is there any necessity for me to write out each address key again?
What he meant is that he imported Trustwallet seed phrase on Bluewallet. You can not see your keys on Trustwallet.
Trustwallet is not a recommended wallet if it is about bitcoin and it is close source. I will prefer to generate new seed phrase on Bluewallet wallet instead.
Trustwallet is not a recommended wallet if it is about bitcoin and it is close source. I will prefer to generate new seed phrase on Bluewallet wallet instead.
What I mean is that I imported the seed phrase generated from BlueWallet into Trustwallet to see whether the address will change but it did not. The first address on the list in BlueWallet is what appeared in Trustwallet and it's already used in BlueWallet. I did not generate any seed from Trustwallet. Is there any problem importing address into Trustwallet?
Why the change of address after each transaction?
If you're a privacy oriented person you should enjoy your addresses changing frequently.
Will I still receive the funds sent to any of the used address (s)?
Of course their is no chance of losing your money if it's sent to one of the used addresses and perhaps when you are spending if you receive from several addresses you can still spend them together but it's not advisable because it negatesthe the essence of the privacy which the wallet tries to preserve.
Does this address have a unique private keys?
Yes, you use your 12/24 words seed phrase to generate private keys for each address but you more be careful while doing that. Is there any way to stop that?
Why do you want to stop it? it's not reasonable, if you don't care about your privacy you can use other wallets that doesn't support that privacy protocols. 
What he meant is that he imported Trustwallet seed phrase on Bluewallet. You can not see your keys on Trustwallet.
That's even worse. Sharing the same seed with two wallets increases the chance of one of them being compromised. 
My questions:
Why the change of address after each transaction?
Will I still receive the funds sent to any of the used address (s)?
Does this address have a unique private keys?
Is there any way to stop that?
1. Privacy sake
2. As Long as you have access to the seed phrase everything generated on that seed phrase will still be available.
3. Each address have its unique private key called the child private key which is generated from the master private key which also comes from the seed phrase you imported so yes there is each child private key for each address.
4. You can stop it manually by copying the same address you used before but it defeats privacy
By the way, I imported the wallet using the key phrases generated when I first created the wallet into Trustwallet and it shows the first address on the list. That first address is showing "used" in BlueWallet.
Trustwallet actually generates an HD wallet keys like the rest wallets but only displays one address whereas BlueWallet actually generates new addresses each time you used a new one with Atleast 20 free unused receivers address available. So it’s nothing new. It will be worth mentioning also that your seed phrase from trustwallet is not good for security purposes to use as it is from a closed source wallet. So I will advice you actually generate a new wallet on BlueWallet instead and send funds there.
Is there any way to stop that?
An example is if you give the address to someone to be receiving payment just like receiving payment from signature campaign on this forum. If you used the first address, the second address will be the one that you will see that you can copy from the receive tab. But if you continue to use the first address for payment, the second address will not change until you use it to receive payment also.This is nothing to be concerned about. If you need privacy, you will need to give provide different addresses for different transactions but what to do to have privacy is still more than this.
By the way, I imported the address using the key phrases generated when I first created the wallet into Trustwallet and it shows the first address on the list. That first address is showing "used" in BlueWallet.
You shouldn't mess with private keys unless you know exactly what you're doing.Trustwallet is not a recommended wallet if it is about bitcoin and it is close source. I will prefer to generate new seed phrase on Bluewallet wallet instead.
I don't know if this discussion is suitable for this board, someone should recommend the appropriate board and I will move it if it doesn't belong here.
I created a wallet with BlueWallet for quite some time now but I recently discovered that my address changed each time I used it. I overlooked it the first time it happened, it happens again and now the third time. I checked through the app and I discovered series of addresses with a status of "used" beside the ones I have used to received funds and "receive" beside the yet to be used ones.
My questions:
Why the change of address after each transaction?
Will I still receive the funds sent to any of the used address (s)?
Does this address have a unique private keys?
Is there any way to stop that?
By the way, I imported the wallet using the key phrases generated when I first created the wallet into Trustwallet and it shows the first address on the list. That first address is showing "used" in BlueWallet.
I need more explanation, please.
I created a wallet with BlueWallet for quite some time now but I recently discovered that my address changed each time I used it. I overlooked it the first time it happened, it happens again and now the third time. I checked through the app and I discovered series of addresses with a status of "used" beside the ones I have used to received funds and "receive" beside the yet to be used ones.
My questions:
Why the change of address after each transaction?
Will I still receive the funds sent to any of the used address (s)?
Does this address have a unique private keys?
Is there any way to stop that?
By the way, I imported the wallet using the key phrases generated when I first created the wallet into Trustwallet and it shows the first address on the list. That first address is showing "used" in BlueWallet.
I need more explanation, please.
There's nothing wrong mate, it's called a Hierarchical deterministic wallet (HD). it's a feature now designed in modern wallets. To increase privacy. This process involves using your seed phrase to generate multiple private keys and corresponding public addresses. This way, your wallet gets different child address and privatekeys for each of them. These keys are created from the same parent key or seed. Once the current address receives a transaction, a new address is generated and provided to you by your wallet. The whole process is done automatically.
All child address, can receive funds separately, and will be seen or accessed from your seed phrase.
Why the change of address after each transaction?
Privacy.Quote
Will I still receive the funds sent to any of the used address (s)?
Yes.Quote
Does this address have a unique private keys?
Yes. But they're all derived from the same seed phrase (probably 12 words, you should have a safe backup).Quote
Is there any way to stop that?
Why would you want that?Quote
By the way, I imported the address using the key phrases generated when I first created the wallet into Trustwallet and it shows the first address on the list. That first address is showing "used" in BlueWallet.
You shouldn't mess with private keys unless you know exactly what you're doing. 
The change of address is good and for security reasons because using one same address does not enhance your security and privacy and that is why blue wallet is doing that for you.
Will I still receive the funds sent to any of the used address (s)?
Of course yes, there are upto 20 addresses or more in your wallet that belongs to you and if funds are sent to any of them, you will receive your funds. I have used one same address to receive funds over and over again.
Does this address have a unique private keys?
Since your wallet only have one seed phrase, all those addresses have a private key which was generated from your wallet seed phrase
Is there any way to stop that?
There is no need to worry about that because your coins are safe in those addresses in your wallet, if you keep your seed phrase safe from third-party.
By the way, I imported the wallet using the key phrases generated when I first created the wallet into Trustwallet and it shows the first address on the list. That first address is showing "used" in BlueWallet.
I need more explanation, please.
It is showing used because you have used that address to receive funds, but it does not mean anything.
Quote
Will I still receive the funds sent to any of the used address (s)?
Of course yes, there are upto 20 addresses or more in your wallet that belongs to you and if funds are sent to any of them, you will receive your funds. I have used one same address to receive funds over and over again.
Quote
Does this address have a unique private keys?
Since your wallet only have one seed phrase, all those addresses have a private key which was generated from your wallet seed phrase
Quote
Is there any way to stop that?
Quote
By the way, I imported the wallet using the key phrases generated when I first created the wallet into Trustwallet and it shows the first address on the list. That first address is showing "used" in BlueWallet.
I need more explanation, please.
I don't know if this discussion is suitable for this board, someone should recommend the appropriate board and I will move it if it doesn't belong here.
I created a wallet with BlueWallet for quite some time now but I recently discovered that my address changed each time I used it. I overlooked it the first time it happened, it happens again and now the third time. I checked through the app and I discovered series of addresses with a status of "used" beside the ones I have used to received funds and "receive" beside the yet to be used ones.
My questions:
Why the change of address after each transaction?
Will I still receive the funds sent to any of the used address (s)?
Does this address have a unique private keys?
Is there any way to stop that?
By the way, I imported the wallet using the key phrases generated when I first created the wallet into Trustwallet and it shows the first address on the list. That first address is showing "used" in BlueWallet.
I need more explanation, please.
I created a wallet with BlueWallet for quite some time now but I recently discovered that my address changed each time I used it. I overlooked it the first time it happened, it happens again and now the third time. I checked through the app and I discovered series of addresses with a status of "used" beside the ones I have used to received funds and "receive" beside the yet to be used ones.
My questions:
Why the change of address after each transaction?
Will I still receive the funds sent to any of the used address (s)?
Does this address have a unique private keys?
Is there any way to stop that?
By the way, I imported the wallet using the key phrases generated when I first created the wallet into Trustwallet and it shows the first address on the list. That first address is showing "used" in BlueWallet.
I need more explanation, please.
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