On the 1st of February 2022 at 17:00 UTC, Particl is going to hardfork in order to include several new additions and improvements to its blockchain. This blog post will let you know everything you need about the hardfork and about how to prepare ahead. Let’s jump in directly and look at the details more closely.

Note: It is mandatory that you update your Particl Core node to or greater if you haven’t already done so. Failure to do this in time for the hardfork will lead you to connect to the wrong chain. As a result, any payment sent to other people will not be relayed and you won't be earning staking rewards.

Hardfork Schedule

In the first place, Particl’s testnet will hardfork on the 1st of January 2022, at 17:00 UTC. This will provide the ability for everybody to ensure that everything goes as expected.

Then, on the 1st of February 2022, at 17:00 UTC, Particl's mainnet network will hardfork.

Prepare Ahead

To successfully follow through the hardfork and ensure future functionality of your Particl apps, you need to update your Particl Core node to the latest version available.

Once you've updated your node(s), you don't need to do anything; you'll automatically fork to the right chain, along with the rest of the network, on the 1st of February 2022 at 17:00 UTC.

The update procedure differs depending on your environment.

Particl Desktop

If you are using Particl Desktop, close it down completely and re-open it. The client will update itself automatically. Look at the bottom left corner of your client; the "core" version should display (or greater).

Particl Partyman

If you are cold staking using Particl’s cold staking application Partyman, enter this command to update your node.

cd ~/partyman && ./partyman update

Verify that the update went on as expected by executing this command.

./partyman status

The displayed version should be version (or greater).

Particl Core - QT Wallet

With a standalone Particl Core - QT wallet, you need to download and install the latest version manually.

Download: https://github.com/particl/particl-core/releases/latest

Release Particl Core · particl/particl-core
Release Notes:https://github.com/particl/particl-core/blob/0.19/doc/release-notes-particl.md#019218Hashes121365dec50e99eba4c25a2d7ff2a1e968949717bd0d8d6706c3f172fd596373 particl-

Particl Copay

If you use the mobile Particl Copay wallet, then no user interaction is required from you. The core version will be updated automatically in time for the hardfork.

PART Coins on Cold Staking Pools

If you stake coins on cold staking pools, then you don't need to do anything other than to ensure your own personal wallet is up-to-date with Particl or greater.

However, you must be aware that if the pool you're staking on doesn't update their nodes in time for the hardfork, you'll be staking on the wrong chain and thus, won't be receiving rewards. For this reason, make sure the cold staking pool you're staking on updates in time. You can usually do this by appending /version or /api/version at the end of the pool's URL (i.e., https://coldstakingpool.com/api/version).

If you are the operator of a pool, please follow these instructions to update your node.

PART Coins on Exchanges

We have started reaching out to exchanges on which PART is available in preparation for this hardfork.

As is usual, no customer interaction is needed as exchanges manage their own nodes. However, make sure your own personal wallet is up-to-date with the latest version of Particl Core.

What’s New?

While this hardfork mostly improves protocol-level components and back-end processes, it brings more privacy and smaller transaction fees to Particl applications (i.e., Particl Marketplace, BasicSwap) and for a wide variety of transaction types.

particl-core/fork-notes.md at master · particl/particl-core
Particl Core integration/staging tree. Contribute to particl/particl-core development by creating an account on GitHub.


Taproot introduces many new features and capabilities, notably in the area of privacy and output management. This will improve the privacy and fees of Particl applications like Particl Marketplace and BasicSwap due to the better processing of their complex transactions. You can learn more about Taproot by following this link.

Increase the maximum size of data outputs

This improvement to the SecureMessaging (SMSG) network allows for more data-containing messages to be broadcast (paid messages) per single transaction.

Fixing listing fee adjustment feature

On Particl, any staker can influence the size of the listing fees on applications like Particl Marketplace. By setting up fee targets, they can broadcast to the rest of the network that they want listing fees on Particl Marketplace to be either higher or lower.

However, the feature that allows for this ability has been broken ever since reaching a certain target value. In fact, once the fee target amount drops below a certain point, the code won't allow it to change anymore (up or down). This hardfork fixes that issue by clamping the minimum amount it can change to 1 sat, making the feature functional and allowing stakers to adjust listing fees again.

Re-enabling disabled outputs

This hardfork will also re-enable a small number of disabled outputs from people who’ve missed the previous deadline. If you still have disabled outputs and haven’t put up your claim yet, please do so as fast as possible by following the steps mentioned here. Failure to submit your claim before the hardfork will mean you’ll have to wait for the next one. If you don’t have any disabled outputs, or simply don’t know what this is about, then you don’t need to do anything here.

Note: The deadline to submit your claim for this hardfork is on the 1st of January 2022, at 17:00 UTC.

Reducing money supply when outputs are burned (for future use)

This new feature reduces the money supply whenever outputs are burned. This effectively adjusts the total supply based on the number of coins that get burned. This prevents staking rewards to be generated based on a supply value that still counts burned coins. It also ensures a correctly adjusted and dynamic staking emission rate. This feature is intended for future use.

This hardfork is an important one for the ecosystem, notably with the major addition of Taproot and the fix to the listing fee adjustment mechanism.

We recommend that you update your node(s) as soon as possible; failure to do so in time for the hardfork will result in you being on the wrong chain.

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