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<p><a href="https://x.com/Kaspaunchained" rel="noopener noreferrer nofollow">@Kaspaunchained</a> has confirmed that Kaspa is carrying out the final hardfork rehearsal on Testnet-10 (TN10), the last major validation step before the Toccata upgrade goes live on mainnet.</p>
<h2 id="what-the-toccata-upgrade-brings">What the Toccata Upgrade Brings</h2>
<p>Toccata is far more than a routine protocol tweak. <cite>The upgrade will fundamentally change Kaspa from a payments-focused chain to a programmable Layer 1 by introducing native KRC-20 tokens, covenant programming via SilverScript, and zero-knowledge verification opcodes.</cite> In practical terms, this opens the door to decentralised finance applications and NFTs settling directly on the Kaspa base layer.</p>
<p><cite>The upgrade is non-backward-compatible, meaning all node operators must update their software</cite> before the fork activates. <cite>Toccata marks the point where Kaspa's high-frequency monetary base layer meets programmability in two layered forms: native L1 covenant systems, and based ZK systems built on top of the same foundations.</cite></p>
<h2 id="testing-process-and-mainnet-timeline">Testing Process and Mainnet Timeline</h2>
<p>Developers are running the rehearsal using the latest Rusty-Kaspa source code, stress-testing consensus stability and high-throughput block processing under simulated load. Dedicated <a href="https://x.com/search?q=%24KAS&amp;src=cashtag_click" rel="noopener noreferrer nofollow">$KAS</a> CPU mining software has been deployed during the validation window to ensure decentralised network participation throughout the process.</p>
<p><cite>The plan calls for scheduling a test hardfork over the long-term TN10 in order to simulate a full mainnet-style transition.</cite> Passing this rehearsal clears the path for the core team to hardcode the mainnet activation date. <cite>The major Toccata hardfork has entered its final phase, with code freeze achieved on April 15, 2026, and mainnet activation scheduled for a window between June 5 and June 20, 2026.</cite></p>
<p><cite>The remaining work is not about expanding scope further, but about freezing the right interfaces, rehearsing the transition properly, and bringing this to mainnet in a way the ecosystem can rely on, while keeping the underlying L1 lean, sound, and stable.</cite></p>
<p><strong>Sources:</strong><br><a href="https://medium.com/@michaelsuttonil/kaspa-covenants-toccata-hard-fork-outlook-a4d81a40900c" rel="noopener noreferrer nofollow">Kaspa Covenants++ Toccata Hard-Fork Outlook by Michael Sutton (Medium)</a><br><a href="https://kaspa.org/developments/" rel="noopener noreferrer nofollow">Kaspa Developer Docs and Toccata Feature Overview (kaspa.org)</a></p>

Kaspa Initiates Final Hardfork Test Ahead Of Toccata Mainnet Launch

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