Bitcoin (BTC) Taproot Upgrade Officially Enabled

Author & Guarantor: Elena Yefimenko

Taproot, the Bitcoin (BTC) upgrade that aims to improve network privacy and security, has been activated. Taproot is the most significant protocol upgrade since 2017.

Taproot Upgrade Is Officially Activated

The Taproot Upgrade is a Bitcoin Improvement (BTC) project with a new signing scheme known as Schnorr. This protocol adjustment opens up new possibilities in terms of confidentiality, multi-signature portfolios and security.

Taproot is widely regarded as one of the most important enhancements to the Bitcoin protocol, and you’ll find even more information at Crypto-Auditor. The upgrade was activated when the channel reached block 709,632 at 6:15 am on Sunday, November 14. This definitely activated the first major BTC upgrade since the introduction of Segregated Witness (SegWit) in 2017.

The upgrade is the result of several years of work. This was launched when Taproot was locked down on June 12. Since that date, miners and nodes have had time to update their software to Bitcoin Core 0.21.1, the latest version of Bitcoin Core which contains Taproot activation and a few other improvements.

What Is Taproot?

Taproot is a fusion of various technical innovations from the history of Bitcoin into one upgrade. It was first proposed by Greg Maxwell in 2018. Since then, the 3 Bitcoin Improvement Proposals (BIPs) that have been written by Pieter Wuille, Tim Ruffing, A.J. Townes and Jonas Nick

Previously, Bitcoin used the ECDSA signing algorithm where a user signs a transaction with their private key in order to approve the transaction.

Taproot is switching to a different signing protocol called “Schnorr”. Each transaction will now use this new signature scheme. In addition to being smaller and faster than ECDSA, Schnorr signatures have the advantage of being linear, which will enhance the privacy of Bitcoin transactions and allow the creation of lighter and more complex smart contracts.

Taproot will have many positive impacts on various ecosystem projects. For example, multi-signature transactions, which require the signing of more than one signer from a group, will be less expensive and easier to complete.

And Now ?

So far, just over half of known Bitcoin nodes have signaled support for the upgrade. The rest are using older software, which means they won’t be able to apply Taproot’s new rules yet, at least not until they’ve upgraded to Bitcoin Core 21.1. But, even then, the network will run smoothly.

So activation doesn’t mean it’s all over. Users will not be able to send or receive “next generation” transactions until their Bitcoin wallet supports it.

If history is to be trusted, it could take months, if not years, for wallets to jump on the bandwagon. For example, it took around 2 years for Bitcoin’s last major upgrade, SegWit, to be 50% adopted.

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