Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [address-format]

Collects questions about the address formats of different scripts, differences between address formats, and how to convert between them.

2
votes
2answers
137 views

How do virtual size, stripped size and raw size compare between legacy address formats and native segwit?

This answer states that SegWit doesn't reduce transaction size. If this is true, why is it cheaper to send a SegWit transaction?
6
votes
2answers
887 views

What the difference between old segwit (3) and new segwit address (bc)?

i'm not that kind of person who understands cryptography and math, can you tell me simply the main purpose of new segwit address? are transactions fee the same for new segwit (bc1)? instead of "Old ...
0
votes
0answers
38 views

How does the address prefix mapping work? How could I add a new prefix?

In https://en.bitcoin.it/wiki/List_of_address_prefixes , how are the Decimal prefixes mapped to the Leading symbols? Is it part of Base58Encoding? For example in elements, byte '4' maps to 'CTE'. ...
5
votes
1answer
499 views

Qualities of “Pay to Nested Witness Key Hash”

The lightning dev tutorial mentions the np2wkh or Pay to Nested Witness Key Hash address type, and I would like to find out more about it, so far without success. Can anybody explain how they are ...
2
votes
2answers
1k views

Is it possible to convert an address from p2pkh to p2sh?

Is it possible to convert a p2pkh address to a p2sh address? Also, will the balance of the p2pkh address carry over to the p2sh address?
1
vote
1answer
327 views

Litecoin explorer that accepts M-prefixed segwit addresses?

Just realized that the litecoin explorer I was using (blockcypher) doesn't allow me to input M-prefixed segwit addresses (more info). Any other litecoin explorer that can do this?
0
votes
2answers
1k views

How can testnet CashAddr addresses be converted back to the old format?

I noticed on the new update of the Bitcoin Cash wallet (BitcoinABC) (for testnet and not sure for mainnet) that it has a weird beginning and address (e.g. bchtest:...
3
votes
2answers
2k views

I have mistakenly sent my LTC to (M) address instead of (3) address

I have mistakenly sent my litecoins to (M) as the starting letter of the address, whereas the Litecoin address now has changed to (3) as the starting letter. So can anyone help me to recover this?
0
votes
1answer
188 views

What is the format of a bitcoin wallet?

I was wondering how bitcoin public and private keys are generated. E.g., a certain number of characters etc. And how one could tell a litecoin address from a bitcoin address for instance.
1
vote
1answer
83 views

Does input and output size vary by address type?

For instance, we have two outputs, output X sends to a P2SH address, and output Z sends to a P2PKH address. Would output X have a different transaction size than output Z? What about the size of the ...
5
votes
2answers
483 views

What is the size of different Bitcoin transaction types?

I found this interesting take on Bitcoin transaction type trends from 2015. As that article is from 2 years ago, I am wondering: a. Are there any newer transaction types? b. What is the average ...
0
votes
2answers
773 views

Convert list of BTC address(base58) to Ripemd16(base16) [closed]

Are there online tool or repositories that can convert multiple base58 (BTC address) to base16 simultaneously?
2
votes
2answers
1k views

litecoin constants and prefixes

Is there any list of litecoin constants available? Something like Bitcoin list of address prefixes
7
votes
2answers
8k views

Accidentally sent Bitcoin Cash to Bitcoin address held by a third party

I made an exchange on Changelly to exchange my Bitcoins to Bitcoin Cash. These Bitcoin Cash would later be sent to my address. Unfortunately, I did not check twice and had the Bitcoin Cash sent to my ...
7
votes
2answers
1k views

How do transaction costs compare between Bech32 addresses and legacy Bitcoin addresses?

Now that Electrum 3 supports Bech32 addresses for segwit, when sending coins to a legacy address are fees higher or cheaper?
1
vote
2answers
3k views

BitPay / Copay's Weird Bitcoin Cash Address Format

My CoPay wallet shows my Bitcoin Cash address as CTGUTUgVAwHugpf4CyyjAvj8DCFkE4tpEq. What's going on? I thought both Bitcoin and Bitcoin Cash addresses start with 1 or 3?
1
vote
1answer
304 views

Which wallets can send to native segregated witness output addresses today?

Which wallets today are able to send to P2WPKH addresses starting with bc1qf…?
4
votes
1answer
755 views

Are Bitcoin and Litecoin test addresses compatible?

It seems to me that they are. I mean you can send test bitcoins to test Litecoin addresses. I don't think it's problem at all, but it can cause some confusion. Real addresses cannot be mixed, but I ...
3
votes
2answers
342 views

Why does bitcoin create several “empty” wallet addresses?

I'm currently running bitcoind -testnet. I ran bitcoin-cli dumpwallet ~/wallet-output just to explore the output and it looks like it created 102 private/public key pairs that I assume are just sort ...
5
votes
2answers
12k views

How to generate a testnet address?

Bitcoin addresses can be generated on this site https://www.bitaddress.org, but the test network needs m or n at the beginning of the address, where can those be generated?
2
votes
2answers
938 views

P2WSH, witness_v0_scripthash: how to derive an address

Is there an address associated with P2WSH scripts? for testnet txid =6717c8971dccbf826790efc16fb357f1e225fed3448247b8556c9f13a6c0ce42, i get: "vout": [ { "value": 0.05994165, "n": 0, ...
2
votes
1answer
566 views

Is there an address format for P2WPKH or P2WSH?

Is there an address format for P2WPKH or P2WSH? If P2WPKH uses the same address format as P2PKH, how does a wallet know which one to use?
9
votes
2answers
6k views

How do I check the checksum of a Bitcoin address?

I'm working on a Bitcoin ATM. We want to detect addresses that are entered incorrectly. There's a checksum on Bitcoin addresses - but how can we check it?
1
vote
1answer
217 views

Which crypto currencies have shortest payment address?

Different crypto-currencies have different lengths of payment addresses. For example, LTC address length is 34 case sensitive letters and numbers. NXT address length is 20 digits. Short payment ...
3
votes
1answer
275 views

What is the btc.to address shortening algorithm?

How does the btc.to address shortening algorithm work? Is is a deterministic algorithm, that is, it can be reproduced on other websites with the same results, or are the results specific to the ...
2
votes
1answer
161 views

What is the “wallet export format”?

The "wallet export format" is mentioned at the Wiki page for Mini private key format, but it doesn't seem to be explained on the Wiki. How does one convert the export format to and from corresponding ...
3
votes
1answer
400 views

FirstBits address shortening algorithm

Is the algorithm used by FirstBits to create their shortened addresses described anywhere, so that anyone wanting to automatically generate them could generate the same result as asking the website ...