Bitcoin address bit length

Create a free Team What is Teams? Learn more. What are the minimum and maximum lengths of a Mainnet Bitcoin address? Ask Question. Asked 5 years, 11 months ago. Active 9 months ago. Viewed 12k times. Improve this question. Rich Apodaca Rich Apodaca 2, 2 2 gold badges 12 12 silver badges 32 32 bronze badges.

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Active Oldest Votes. Improve this answer. Note that this answer is out of date, since there have both been longer and shorter addresses seen on the network since it was written.

Elliptic Curve Digital Signature Algorithm

Notably, p2wsh addresses are 62 characters. The wiki says that A Bitcoin address is an identifier of alphanumeric characters.

According to BIP : [Segwit] addresses are always between 14 and 74 characters long. Version 0 witness addresses are always 42 or 62 characters. Sign up or log in Sign up using Google. Sign up using Facebook.

4. Keys, Addresses, Wallets - Mastering Bitcoin [Book]

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Stack Overflow for Teams is now free for up to 50 users, forever. Linked 5. Related Hot Network Questions. The address is generated by the public key. When sending Bitcoin, you specify a recipient address. Bitcoin cannot be sent without the private key for the sender's address.

Standard Bitcoin addresses begin with a "1", and multi-signature addresses with stronger security begin with a "3". With bitFlyer, you can acquire a multi-signature address for free. Bitcoin addresses are in a format called " Base Base 58 is similar, but uses 58 binary data characters.

It is different from Base 64 in that it excludes digits that are easily confused, such as l lower-case L and 1 the number one. For example, lower-case "L" cannot be used.

Public Key Cryptography and Cryptocurrency

It is impossible to ascertain someone's public key private key from their Bitcoin address, so it is not possible to create a Bitcoin address without a private key. It is possible to actually make payments to this address although no one has the private key to this address, so there would be no way to get the Bitcoin back. The website that sent you here is not owned or operated by our company. Home Glossary Address An address is the Bitcoin equivalent of a bank account.

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