Cardano Implements Van Rossum Hard Fork as Bittensor Secures Grayscale and Bitwise ETF Filings

The altcoin market saw a surge of technical and institutional activity on April 3, 2026, highlighted by Cardano’s successful Van Rossum hard fork and a major institutional milestone for Bittensor (TAO) with the filing of spot ETFs by Grayscale and Bitwise.

By Jennifer Kim | April 3, 2026

Despite the broader market volatility, several high-profile altcoins made significant strides today. Cardano (ADA) completed its Protocol Version 11 upgrade, affectionately known by the community as the “Van Rossum Hard Fork,” while the AI-focused network Bittensor (TAO) solidified its position as an institutional favorite. These developments illustrate a growing divergence in the altcoin space, where projects with strong technical roadmaps and institutional backing are beginning to decouple from the general market trend.

Protocol Version 11: The Van Rossum Upgrade

Cardano’s Van Rossum hard fork, named in honor of dedicated community contributor Max van Rossem, went live on April 3 without any major disruptions to the network. This “intra-era” upgrade focuses on the foundational improvements necessary for the “Voltaire” era of full on-chain governance. Key features of the upgrade include major enhancements to Plutus smart contract performance, allowing for more complex dApps to run with lower transaction costs and faster execution times.

According to Input Output Global (IOG), the upgrade also includes Node 10.7.0, which improves ledger consistency and strengthens node security against potential DDoS attacks. This technical milestone is seen as a crucial step toward making Cardano the most secure and decentralized platform for global-scale applications. ADA holders now have more direct control over the protocol’s treasury and parameters, marking a shift toward a truly community-governed ecosystem.

Enhancing Plutus and On-Chain Governance

The Van Rossum upgrade is particularly important for the Cardano DeFi ecosystem. By optimizing the Plutus interpreter, the network can now handle a higher number of scripts per block, effectively increasing the throughput for decentralized exchanges and lending protocols. Developers have already begun deploying updated versions of their contracts to take advantage of these efficiencies, with TVL (Total Value Locked) in Cardano-based protocols showing resilience despite the price drop in the underlying ADA token.

Governance is the other major pillar of this upgrade. The introduction of new governance primitives allows for more nuanced voting on protocol changes. ADA holders can now delegate their voting power to “DRep” (Delegate Representatives), ensuring that the network’s future is shaped by a broad and informed group of participants rather than a small concentration of whales. This move is intended to fulfill Cardano’s long-term vision of a “financial operating system” that is both resilient and adaptable.

Bittensor (TAO) Dominates AI Infrastructure Sentiment

In the world of AI-linked altcoins, Bittensor (TAO) continues to be the standout performer. On April 3, news broke that both Grayscale and Bitwise had filed for spot Bittensor ETFs with the U.S. Securities and Exchange Commission (SEC). This follows Grayscale’s recent increase of its TAO weighting in its decentralized AI fund to 43%, signaling a massive vote of confidence from institutional managers. The filing of a spot ETF is a significant hurdle, but it demonstrates the growing demand among institutional investors for direct exposure to decentralized AI infrastructure.

Technically, the Bittensor network also reached a new milestone today. The community successfully completed the training of “Covenant 72B,” a large language model trained across 70 decentralized contributors. This model achieved a competitive 67.1 MMLU score, proving that decentralized networks can produce high-quality AI models that rival those produced by centralized tech giants. This “proof of compute” is a major validating moment for the Bittensor ecosystem.

Institutional Staking via BitGo-Yuma Partnership

Adding to the institutional momentum for TAO, BitGo announced a partnership with Yuma, a major Bittensor subnet operator, to provide institutional-grade staking services. This partnership allows large funds to earn yield on their TAO holdings while ensuring the highest levels of security and compliance. Staking is a critical part of the Bittensor economic model, as it secures the network and incentivizes the production of high-quality AI outputs.

The entry of a trusted custodian like BitGo into the TAO ecosystem is expected to lower the barrier for more conservative financial institutions to enter the space. As AI and blockchain technology continue to converge, Bittensor is increasingly seen as the “layer zero” for decentralized intelligence, providing a marketplace where AI models can be trained, shared, and monetized without central intermediaries.

Ethereum and the Broader Altcoin Correction

While Cardano and Bittensor provided bright spots, the broader altcoin market faced a challenging day. Ethereum (ETH) traded around $2,057, down several percentage points as it faced persistent pressure from ETF outflows and a general lack of retail enthusiasm. Analysts warn that if ETH fails to hold the $2,000 level, it could trigger a deeper sell-off across the ERC-20 token ecosystem.

However, many market participants view this correction as a necessary phase of the market cycle. As the “weak hands” are shaken out, capital is expected to flow toward projects with tangible utility and institutional backing. The developments in Cardano and Bittensor today suggest that the next phase of the altcoin market will be driven by technical fundamentals rather than pure speculation.

Related: Canaan Records 1,808 BTC Treasury as Bitwise Debuts Staking-Integrated Avalanche ETF

The cryptocurrency market remains highly volatile. This article is for informational purposes only and does not constitute financial advice.