Questions tagged [bech32-address]

A checksummed base32 format, "Bech32", and a standard for native segregated witness output addresses using it.

Filter by
Sorted by
Tagged with
14
votes
2answers
8k views

How do bech32 addresses compare to P2SH addresses in transaction size?

Bech32 (starts with bc1) and P2SH (starts with 3) can both be used for segwit transactions. I know bech32 is supposed to create smaller transactions, but I'd like to know how much smaller (than P2SH). ...
13
votes
1answer
620 views

Will a Schnorr soft-fork introduce a new address format (i.e. not bech32)

When we (hopefully) soft-fork to Schnorr signatures will the address be indistinguishable from bech32 addresses?
11
votes
1answer
2k views

Bitcoin automatically diverted to bech32 address

I sent bitcoin to an address starting 3Cn using Electrum but the blockchain viewers seem to show that it has gone to an address beginning bc1 as shown in the link below. Transaction Viewer How can ...
11
votes
2answers
7k views

Bech32 conversion to legacy P2PKH?

Electrum now generates Bech32 addresses for SegWit wallets. Example: bc1qnntcclssmtuvfw2te7q49lzvw67cfvpzxger4j Pubkey: 023f1b3421c6ae0c1758834d40806c2418194b507be261fa343a0636653f3ec75b If I ...
10
votes
2answers
464 views

How does the bech32 length-extension mutation weakness work?

A bech32 address ending with p can be modified be inserting or removing q characters immediately before the final p character to make a new valid bech32 address. Why does this work? Are there any ...
9
votes
1answer
3k views

How to create a Bech32 address from a public key?

What are the steps to create a Bech32 address from an ECDSA public key? Bitcoin wiki has a nice step-by-step guide to create an address from a public key but what about Bech32 addresses? I've read ...
8
votes
4answers
7k views

Are all three Bitcoin address types interoperable (legacy, segwit, native segwit)?

is it possible to send transactions back and forth between all 3 address types (legacy, segwit, native segwit-bech32)? Or is one of them not able to send to another?
8
votes
2answers
3k 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 ...
8
votes
1answer
1k views

Why does Taproot require a new address format?

Dawid Ciężarkiewicz asked on Twitter: Hey #bitcoin ers. I'm trying to figure out why taproot needs a new address format, as I missed it. If you have a good link or something - please share. I thought ...
7
votes
1answer
898 views

What is the difference between “native segwit” and “bech32”?

People seem to be using "native segwit" and "bech32" interchangeably. Are they really the same thing?
7
votes
2answers
590 views

Most efficient way to store Segwit Address in a database

This is not a duplicate of What is the most efficient way to store bitcoin addresses in a database? but it's the same question except I need a segwit answer. Let's say I wanted to store every ...
7
votes
2answers
2k 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?
7
votes
2answers
7k views

Benefits of Bech32 addresses?

In Bitcoin core, when generating a new address for receiving a payment, you get this dialogue: There is a tick-box for "Generate Bech32 address". I understand that this is a relatively new feature ...
6
votes
1answer
635 views

Can I mix P2PKH and P2WPKH inputs in the same transaction?

I'm trying to increase my knowledge of bech32 and SegWit and to that end am working my way through this explanation. Here's a hypothetical situation I'm trying to understand. Let's say Jamal has ...
6
votes
1answer
2k views

Which block explorers recognize bech32 addresses?

At this time, blockchain.info doesn't. Neither does blockchair or blockcypher.
5
votes
1answer
1k views

In simple terms, what are the major differences between P2WPKH and P2WSH bech32 addresses?

I've read over the bip173, bip141, and bip143 specifications and they're a bit too technical to get at the simple answers I'm looking for.
5
votes
1answer
603 views

What are the standard formats of transaction outputs?

A transaction output can have the type Pay to public key hash, P2PKH, where the ScriptPubKey field has the format: 76 a9 14 <20-byte hash of pubkey> 88 ac Pay to script hash, P2SH, used for e.g. ...
5
votes
1answer
553 views

Are Bech32 addresses safe for mainnet usage?

According to github bitcoin/bips, BIP-173 is still a draft. And i saw today that Electrum wallet start using it. Is this means that the specs for BIP-173 won't change in the future ? or the final ...
4
votes
3answers
3k views

Why bech32 address always starts with bc1q?

I understand that it starts bc1. But 'q' is not what I understand. Can someone explain to me?
4
votes
1answer
2k views

Are Bitcoin addresses case sensitive?

I sent $20 to my wallet ex. bc1qa4dk0fqvw7jfpvzgy9xpf7572kv9env9y748ct. But instead I sent it to that address in all caps. I haven't received the money and it's been 3 hours. Are BTC addresses cap ...
4
votes
1answer
994 views

How is Public Key extracted from (message, digital signature, address)

I'm under the impression that a public key is revealed when you sign a message. Given these 3 inputs. P2PKH Address, Digital Signature, Message. Is the public key exposed? If so, how do you extract ...
4
votes
1answer
2k views

How do I Derive Bech32 Address from P2WPKH Output Script?

I am building a small script to decode the raw coinbase transaction data into a human-readable viewer without external scripts to better my understanding around the subject. I've noticed that there ...
3
votes
2answers
411 views

Would it be possible to dictate a bech32 address as a list of English words?

One of the reason for bech32 address is: "it'easier to dictate it over the phone". Is there an algorithm to convert a bech32 address into a list of English words that would make it even easier? ...
3
votes
2answers
1k 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?
3
votes
2answers
161 views

Why are P2WSH addresses larger than P2SH addresses?

One would, perhaps naively, assume that both addresses are hashes of scripts and therefore ought to be the same size.
3
votes
3answers
4k views

Cashaddr (bech32) to legacy address format convertor for Bitcoin Cash

Several days ago our bitcoin cash core wallet started to generate addresses using the new format: bitcoincash:q...... . That's nice and differs from the bitcoin blockchain generated addresses, but ...
3
votes
1answer
222 views

Can you break down what data is encoded into a bech32 address?

Can you break down what data is encoded into a bech32 address? e.g. bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4 How do bech32 addresses on testnet, regtest, signet compare?
3
votes
1answer
6k views

What to do when a website says that my bc1… address is invalid?

I used local Bitcoins wallet to send bitcoin to my bitcoin wallet. But it said wrong address
3
votes
1answer
362 views

bech32 addresses beginning with “bcrt…” on regtest

I'm playing around with regtest and wanted to generate a bech32 address. My Bitcoin Core version is 0.18.0. I ran getnewaddress "" bech32 and got an address that began with bcrt, like this one : ...
3
votes
1answer
116 views

Why did bech32 define a new base32 encoding scheme rather than use an existing one?

There are multiple existing base32 encodings (RFC 3548/4648, z-base-32, Crockford's etc). Why did bech32 define a new one rather than use an existing one?
3
votes
2answers
2k views

Is there a paper wallet generator for the new bech32 bc1xxx segwit address?

Is there a paper wallet generator like bitaddress.org for the new bech32 bc1xxx segwit addresses?
3
votes
1answer
68 views

Checksum P2WSH failed

My goal is replicate the same P2WSH of https://en.bitcoin.it/wiki/BIP_0173 tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sl5k7 I'm able to generate the "first" part before checksum. ...
3
votes
1answer
108 views

Why can't bech32 addresses be mixed case?

I know that they cannot be mixed case due to their BIP but what was the intention behind this idea and would it be problematical to convert a mixed case bech32 address to a lower/upper case bech32 ...
3
votes
2answers
295 views

How is Bech32 based on BCH codes?

The Bech32 BIP declares that Bech32 is "based on BCH codes". But if you look at the wikipedia page on BCH codes, you see a lot of mathematical equations, but none of those equations seems to be ...
2
votes
3answers
713 views

Why does the decode function of the segwit bech32 encoder/decoder take a hrp (human readable part) as input?

Looking at the code referenced in bip-0173, specifically for example here: https://github.com/sipa/bech32/blob/master/ref/javascript/segwit_addr.js function decode (hrp, addr) { var dec = ...
2
votes
2answers
818 views

Constructing a P2WSH address from the BIP173 spec

The BIP173 specification defines how to create Bech32 Segwit native addresses. In the examples section a public key is given: 0279BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798. ...
2
votes
3answers
165 views

How hard is it for an exchange to adopt native segwit? Is it not as simple as updating the address regex checker on the front-end?

Just wondering, maybe I'm missing something. Are there changes on the backend needed to be implemented as well? Not as simple as changing the regex validation on the front end?
2
votes
1answer
344 views

Are “1” , “3” and “Bech” Addresses (BTC) forward and backward compatible?

Wondering if lets say someone has funds in Bech32 and they send to a "1" or "3" address due to less characters to remember ect.
2
votes
1answer
3k views

Litecoin address starting with ltc

my litecoin wallet (shared 2 of 2) on electrum-ltc generated an address to receive LTC. I transfered some LTC to that address and tried to check in block explorer. Unfortunately got such message: ...
2
votes
1answer
479 views

Does the Bech32 address format decrease Bitcoin's possible address count?

I have wondered how many Bitcoin addresses are possible. When looking around, I stumbled upon this thread on BitcoinTalk: There are exactly 2^160 possible addresses as long as we keep using RIPE-...
2
votes
1answer
681 views

How to generate a P2WSH address

getnewaddress "" bech32 generates a P2WPKH address (e.g. tb1qw508d6qejxtdg4y5r3zarvary0c5xw7kxpjzsx). How can I generate a P2WSH address (e.g. ...
2
votes
1answer
148 views

What problems identified with bech32 addresses have been resolved with the updated bech32m?

What problems identified with bech32 addresses have been resolved with the updated bech32m? I am aware of one problem with the original bech32, namely length extension mutation weakness but I don't ...
2
votes
2answers
403 views

What is needed to generate a bech32 address?

So I wrote a vanity address generator in c# with the NBitcoin lib. When I use the private key used to generate the address and input it in Mycelium it outputs a different address. This does not occur ...
2
votes
2answers
687 views

Can you send a transaction from non-native segwit to native(bech32) segwit address? [duplicate]

Let's say I have a wallet with a non-native segwit address (prefixed with 3- like multisig). Can I send my utxos from this address to a native segwit (bech32) address?
1
vote
1answer
1k views

understanding bech32 Addresses / BIP173 question

I try to understand the code from the BIP173. I read the BIP, the links to RFC3548 or z-base-32, the base32 proposal by Mark Friedenbach, and some posts here. Q1: how to interprete script handling? ...
1
vote
1answer
480 views

Why is BIP32 root key different for different standards(purposes)?

When generating key on https://iancolemen.com/bip39/, the BIP32 Root Key changes as I change the derivation path tab, e.g. BIP32, BIP44, BIP39 etc. Why is this the case? Isn't BIP32 Root Key the m at ...
1
vote
1answer
853 views

How to generate legacy receiving address in Bitcoin core 0.19.x.x

I must have missed the memo. I see Bitcoin Core 19.1.0.1 defaults to generating Bech32 receive addresses (prefixed with "bc1"), and offers a checkmark to generate P2SH addresses instead (prefixed ...
1
vote
2answers
301 views

Can a single wallet generate (and use) both SegWit and non-SegWit addresses?

Is a Segwit wallet able to generate and use non-Segwit addresses? I'm using Bitpay's Bitcore to create wallets and generate new addresses for the users of my platform. I'm also using Bitcore-wallet-...
1
vote
1answer
153 views

Why does Bisq claim that my “native segwit” receive addresses are “invalid”?

Every time I'm transferring over the funds from Bisq to Bitcoin Core, I get the error: Invalid address. (Or something along those lines.) Only after generating another receive address in Bitcoin ...
1
vote
1answer
54 views

For the 3 bitcoin address types, which can send to each other? Can a valid tx be created that spends to an unspendable address?

I'm just getting started with using bech32 addresses instead of legacy addresses, and I'm not familiar with how the legacy vs segwit compatible vs bech32 addresses play with each other. Can I get an ...