May 2023 Work Progress Report: Kaspa and Cortex Block Reward Reduction

May Work Progress Report

Kaspa Reward Reduction

In line with the planned Kaspa emission schedule, a significant event took place on May 8, impacting the mining community associated with Kaspa. The block reward for mining was decreased from 233 KAS to 220 KAS. This change reflects the Kaspa monetary policy’s Chromatic Phase, which involves geometrically decreasing block rewards over time.


It’s crucial to note that such reductions are part of Kaspa’s unique monetary policy, designed to ensure a fair distribution of KAS and the long-term sustainability of the network. These changes are integral to the network’s progression and adherence to its predetermined roadmap. At 2Miners, we remain committed to supporting miners through these adjustments, providing an efficient and profitable mining environment. As always, we recommend miners stay informed about such changes, which can be followed via the Kaspa Emission Schedule.

Cortex Reward Reduction

The Cortex (CTXC) blockchain underwent its halving event on May 2nd. As a result of this crucial adjustment in the network’s monetary policy, the block reward for miners was slashed from 7 CTXC to 3.5 CTXC per block. This halving process, inherent to the Cortex protocol, effectively diminishes the mining reward by 50%, thereby impacting the rate at which new CTXC tokens are created and injected into the market.


For the miners on the 2Miners pool, this implies a reduction in the amount of CTXC tokens they earn for their computational contributions. Nevertheless, while the miners’ immediate income may be lessened, such halving events historically tend to induce a scarcity effect, potentially driving up the value of the cryptocurrency over time. Thus, the impact of this event on the long-term profitability of mining Cortex remains to be seen.

Mining Pool Updates

We conducted several key updates to the cryptocurrency nodes on the 2Miners mining pool, ensuring the smooth operation and enhanced security for our miners. The updated nodes are as follows:

  1. Zcash (ZEC) updated to 5.5.1
  2. Horizen (ZEN) updated to 4.0.0
  3. Monero (XMR) updated to
  4. Beam updated to 7.3.14073

Let’s look closer at each of these updates:

Zcash (ZEC) 5.5.1 Update: This upgrade addressed an issue that could cause a node to crash when the privacy policy did not include ‘AllowRevealedRecipients’ while creating a transaction resulting in transparent change. Additionally, it corrects an underestimation of the ZIP 317 conventional fee when spending UTXOs, preventing delays or blocks in mining transactions.

Horizen (ZEN) 4.0.0 Update: This major update includes new key features and introduces a hard fork. It supports V2 sidechains and sets the upcoming deprecation date. Key enhancements include non-ceasable Sidechains and Key Rotation, making the verification process more flexible without compromising security. This release marked the end of supporting Ubuntu Bionic, limiting future releases to Ubuntu Focal or newer.


Monero (XMR) Update: The ‘Fluorine Fermi’ release introduced several improvements such as adding a size limit for tx_extra in the transaction pool, avoiding log entries when re-blocking a subnet, and fixing an infinite loop in fake out selection. This update also enhanced the security by adding Ledger Stax support.

Beam 7.3.14073 Update: This hotfix addressed a crucial bug that led to the creation of invalid blocks, temporarily halting the generation of new blocks. It optimized block creation and listed some known limitations, such as not going offline for over 24 hours when using active laser beam channels and not offering the same offline address to multiple senders of payments.

Each of these updates is part of our continued commitment to maintaining the 2Miners pool at the forefront of technological advancements, providing the best possible service for our mining community.

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