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SegWit

SegWit is an upgrade to Bitcoin. It stores digital signatures separately from other transaction data.

Last updated • 2 min read
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What is SegWit?

SegWit stands for Segregated Witness. A digital signature proves that someone is allowed to send a Bitcoin transaction. In the past, these signatures took up a lot of space in a block.

A block is a bundle of transactions added to the Bitcoin blockchain. SegWit puts signatures in a separate part of the data. This leaves room for more transactions in the same block.

The upgrade was designed to better protect transactions from manipulation. It also helps the Bitcoin network process transactions more efficiently.

An example of SegWit

Imagine a block as a box where Bitcoin transactions are collected. Each transaction contains information about the sender, recipient, and a digital signature.

Before SegWit, all the parts were together in the box. SegWit puts the signatures in a separate place, leaving more room for transactions. This means more transactions can be processed.

Why is SegWit important in crypto?

SegWit is important because full blocks can lead to longer wait times and higher transaction fees. By using space more efficiently, Bitcoin can process more transactions. This can help lower fees.

You may come across SegWit in news about Bitcoin upgrades, transaction fees, or the Lightning Network. This network enables faster Bitcoin payments off the blockchain. SegWit made this development possible.

Crypto wallets may also offer Native SegWit addresses. These start with bc1. An address like this shows that a wallet uses the newer SegWit format. It doesn’t automatically mean that every payment is processed right away or always costs less.

Disclaimer: This content is for informational purposes only and does not constitute financial, investment, legal, or tax advice. The information provided may be incomplete, inaccurate, or outdated and should not be relied upon as such. Nothing on this website should be considered a recommendation to buy, sell, or hold any cryptocurrency. Investing in crypto-assets involves risk of loss.