Questions tagged [address]

This tag should be used for Bitcoin addresses. A Bitcoin address is an encoding of the hash of an ECDSA public key or a script. Knowledge of this value allows a user to send Bitcoins to another person over the network. Bitcoin addresses begin with a '1', '3', or 'bc1'. Not to be confused with mailing addresses or IP addresses.

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2answers
487 views

Stealth addresses how does recipient use the bitcoins?

I've been reading on what stealth addresses does: Sender generates unique address using the recipient's stealth address for every transaction If multiple senders send bitcoin to recipient, then ...
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1answer
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In Multibit HD, is there a way to see all of my receiving addresses?

I understand that if I request a payment and delete the request, I still own the address and will receive Bitcoins that were sent to it. However, I find it very uncomfortable to just "assume" that I ...
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Is it possible to discover the set of bitcoin addresses from a public key?

I'm trying to find the set of bitcoin addresses from a public key associated with a user just to analyse this user transaction. Is there any way to derive/find all the addresses that have been ...
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2answers
763 views

Remove address sub from blockchain websocket API

According to the docs, Blockchain.info provides a websocket API that streams a few things: All unconfirmed transactions using "op: unconfirmed_sub" New blocks & the data they contain using "op: ...
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1answer
5k views

Generating an address from a private key in Java?

I'd like to write a function in Java that takes a private key and generates the address to use in a QR code. I'd like to make this , but I'm not very good with the hashing algorithms. I've checked ...
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2answers
553 views

Is it possible to create an address from a predefined private key?

I was not sure how to formulate the question title. What I want to achieve is the same as VanityGen and many other tools do to create an address starting with a predefined part, but with private keys. ...
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0answers
49 views

What are the minimum and maximum length of a Mainnet Bitcoin address? [duplicate]

The wiki says that A Bitcoin address is an identifier of 26-35 alphanumeric characters. Is this information up-to-date? Even the Bech32 address bc1qar0srrr7xfkvy5l643lydnw9re59gtzzwf5mdq given as an ...
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5answers
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How does one checks which customer made a payment?

One question I'm not able to properly answer when asked is How exactly can the blockchain verify the identity of the user without a centralized trusted party such as VeriSign? I know this is done ...
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1answer
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Why is Bitcoin address encoded in base58?

Why does bitcoin address encoding use base58 instead of, for instance, base64? I don't see it is useful in any way.
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Is vanitygen a problem for bitcoin?

Considering the amount of users of vanitygen, and the fact that each user is generating millions/billions of bitcoin addresses, won't we run out of bitcoin addresses soon? What would happen if we did ...
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1answer
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How do I export an xpub from Bitcoin Core for use in BTCPayServer?

I'm using Bitcoin Core 0.17, and using bitcoin-cli getaddressinfo method to extract xpub for a given address. This xpub is 66 characters long, and I'm using BTCPayServer which needs this xpub and I'...
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Is there a reason big Bitcoin companies wouldn't use only SegWit transactions?

As I understand, SegWit allows anyone to create a SegWit address where they can send their bitcoins and transact from that wallet just as easily as they would with a traditional address. The SegWit ...
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Unknown Address Format Parsing Bitcoin Addresses from Blockchair Data

I've obtained a list of all current Bitcoin addresses with balances from Blockchair, which is downloadable from their data repository located here. I have downloaded the Bitcoin / Addresses TSV ...
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2answers
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Bitcoin address does not show transaction/balance from Coinbase purchase

I purchased a bitcoin using a Coinbase account. When I try to verify that transaction to the address, I can't see any activity or balance for the bitcoin address that Coinbase shows as mine. Coinbase, ...
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1answer
366 views

Can you detect that the addresses generated by an HD wallet came from a single wallet?

Can someone who is looking at the blockchain detect that 2 or more addresses generated by a single HD wallet are actually generated by that single seed/HD wallet ? Can someone who does know that 2 or ...
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1answer
174 views

Does Litecoin have a higher chance of address collision than Bitcoin?

I assume Litecoin has different rules of generating addresses with Bitcoin, since all Litecoin addresses are 34-characters long which is different than Bitcoin. Given that the rules for generating ...
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2answers
734 views

What are the advantages of using Secp256k1?

Bitcoin uses secp256k1 as the specification for it's address system (https://en.bitcoin.it/wiki/Secp256k1). What are the advantages (and disadvantages) of using this over other specifications such as ...
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1answer
3k views

Delete all wallet addresses

How can I delete all addresses from my Qt wallet without having to download the blockchain all over again from the scratch? I would like to find a bulk way to do it as there are a few thousand ...
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4answers
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What if I create a new address and I'm given one which clashes (already exists, it is being used by other user)

Addresses are like GUIDs, no? They are created randomly whenever you request the creation of a new address. But what if when creating one, it clashes with one already created? I know that the ...
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2answers
2k views

How does blockchain.info associate a message with an address? [duplicate]

I randomly encountered this address on blockchain.info: https://blockchain.info/address/1CzpppydnGN5dQN7iBnZbmm5RXreu7hrHW and at the top a message appears presumably describing the owner of the ...
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2answers
2k views

Where is the public key corresponding to my address stored?

Some simplified explanations of Bitcoin say, that the Bitcoin address is the public key, and anybody can easily verify that a signed transaction is valid since it was signed with corresponding private ...
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1answer
243 views

How do I determine the balance of an address I don't own? (WebAPI or local API)

I have an arbitrary address. How can I get the current balance of the account through a Web API? ... how do I get it for a local API? I'm also interested in all transaction history for that address. ...
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1answer
978 views

Why does Bitcoin-Qt use hidden private addresses?

As I found out from this question default wallet contains 100 private keys but only makes one visible. But what I don't understand is why Bitcoin using those "hidden" addresses? I've been using my ...
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2answers
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Is there a point to vanity addresses if a new destination address should be created per sender?

There is some advice for merchants to have a unique Bitcoin address for each incoming address. Apparently this will help associate a transaction with a sender. Since it can take a long time to ...
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1answer
352 views

How many BTC addresses have balance in them?

Of all the possible BTC addresses, how many have balance in them? And what percentage of the total possible addresses is that?
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1answer
4k views

How to generate a zcash vanity address?

Is the main network address version for zcash already known? Is it possible to generate a mainnet address already? This could allow miners to start from minute 0 to mine on a anonymous pool. The ...
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1answer
764 views

Can I have multiple working public keys per wallet?

My Android Bitcoin wallet changes the Public key (the one I give to others) after every transaction for security. However, I want to put up a Public key online for donations. Does this mean that my ...
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2answers
8k views

How do you delete an account in Bitcoin Core?

I am attempting to allow multiple bitcoin addresses to be created per account, but how can I delete them using the standard API? There doesn't seem to be a function for that. E.g. the acccount "Test" ...
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2answers
3k views

What is the difference between deleting a private key and deleting an address?

On Blockchain.info, when deleting private keys from your wallet, it asks if you want to delete only the private key or if you want to delete both the private key and the address. If you choose to ...
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1answer
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Bitcoin Address Wiki Issue

I'm having issues following through the technical wiki here - https://en.bitcoin.it/wiki/Technical_background_of_Bitcoin_addresses Point 2 says to perform a SHA256 hash on the public key, which I'm ...
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2answers
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How long does it take for an exchange to send me bitcoins?

I'm not sure I understand all of the bitcoin storage options I know there are bitcoin addresses and bitcoin wallets what is the relationship of an address to a wallet? is a wallet mandatory and a ...
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1answer
596 views

How is a Ripple address constructed?

How is a Ripple address constructed? Is it similar to how a Bitcoin address works albeit with a different net byte, or are there some more differences?
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2answers
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Why do bitcoin: URLs not use “//”, breaking “clickability”?

I want to have something like this in a plaintext e-mail: Pay directly: bitcoin:addresshere?amount=0.001&label=Blablabla&message=Blablabla But if I do that, it won't be "clickable", ...
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1answer
407 views

How many possible addresses per bitcoin private key?

Based on my research every bitcoin private key (compressed or uncompressed) can have 4 different addresses: P2PKH compressed and starts with 1 P2PKH uncompressed and starts with 1 P2SH and starts ...
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3answers
4k views

How to get the bitcoin balance of a public key in C#?

How can I get the bitcoin balance of a public key in C#? E.g. for this public key: 1FqLoEpbQpMxow5bqEPpFbPVnBEbFcsg3J How can I get its balance in C#?
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1answer
900 views

How to make a vanity throwaway address? Similar to 1BitcoinEaterAddressDontSendf59kuE [duplicate]

I want to write data to the Blockchain, and write to specific addresses. I want to send small amounts of Bitcoin to addresses like this: 1MikesReallyCoolApp<game_id_here>59kuE How can I do ...
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3answers
487 views

How the hell was I able to receive BTCs via an address I do not own?

A few minutes ago I received 0.00000001 BTC. I don't know who sent them or why. But what makes it crazy is, this sum was sent to an address I do not own and which the client I'm running (the standard ...
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2answers
1k views

multiple outputs, address forking

i did read up some stuff about bitcoin but never used it until today. i might be asking something very obvious, but how can i get rid of address forking? that is, after several transactions my address ...
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2answers
623 views

Does the satoshi client always send the change of a transaction to a newely generated address?

Experimentally, this seems to be the case, but is it always like this or depends on some details? Also, does it generate a new address each time this is done, or first searches the wallet if there is ...
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1answer
428 views

What are the transactions included in the merkle root

I am trying to understand the block hashing algorithm used to generate block. One of the points mentioned here is it is (nearly) impossible for two people to have the same Merkle root because the ...
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2answers
621 views

How to edit the label of an existing address exactly like in bitcoin-qt but instead using RPC calls?

I am trying to edit the label of a bitcoin address in my wallet outside of bitcoin-qt. Currently I only know of 'setaccount' but it results in two addresses after editing one, it assigns a new address ...
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1answer
5k views

What happens when “Request expires” in Electrum?

If I understand correctly, wallet is a collection of private keys. Electrum client, in "Receive" tab has this form to request money. Every time new "Receiving address" changes, Electrum has to ...
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1answer
1k views

How are transactions from incoming blocks verified?

Since only the hash of public keys are stored on the chain (as address), which could be validated only by miner who have access to signed transactions (which includes public key), how do other ...
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1answer
223 views

Send coins from another adress

Newbie here! I need to confirm something: I have bought bitcoins and I already see them in the QT client I am using. I now want to send the bitcoins using a different address than the one I use to ...
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1answer
174 views

How to implement a green address in Bitcoind?

There are a few websites that use green addresses, but how can one go about implementing it using the standard Bitcoin API?
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2answers
5k views

Is there an Android app that will scan a QR code and show the balance?

What I'm looking for is an app that lets a person scan a QR code containing a Bitcoin address and then see the balance and transaction history for that address. For a specific use case, a mobile ...
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1answer
830 views

I know my address but can't remember which site it's from

I signed up for a bunch of different wallets because I didn't know which one was the best. I have 2.5 bit coins in a wallet that I don't know how to get. I know my wallet address, but can't remember ...
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1answer
1k views

How do I check if an address belongs to my wallet using bitcoinJ?

I'm using bitcoinJ and I want to verify if some of the destination addresses in a transaction belongs to my wallet when I receive a amount of bitcoin. How can I verify it?
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2answers
240 views

Remove address from sequence in HD wallet

Is there a way to eject an address out of the sequence of an HD wallet? Lets say an address was used for a political donation to a regime in Namibia that may get international condemnation a few ...
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3answers
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What if you wanted to decrease anonymity?

My idea is to be able to build "credit" for an individual. Lenders of BTC could just use a service to check the "credit score" of a certain address of a borrower. The borrower would have to spend a ...

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