Cardano Expands Smart Contracts with Testnet Upgrade

Cardano Expands Smart Contracts with Testnet Upgrade

July 15, 2021

Key Takeaways

  • Cardano has successfully carried out a hard fork and upgraded its testnet from Alonzo Blue to Alonzo White.
  • This phase of the network will run for two to four weeks before the Cardano testnet moves to the next phase.
  • Despite recent progress on smart contracts, the crypto community remains skeptical of the project’s roadmap.

Cardano has implemented the latest version of its testnet, Alonzo White, bringing smart contracts one step closer to a final release.

Cardano Tests Smart Contracts

IOHK announced today a successful hard fork in which Cardano upgraded its testnet to Alonzo White. The upgrade went live on Jul. 15 at 19:44 UTC and is now producing blocks.

Alonzo White is an upgrade to Cardano’s previous testnet, Alonzo Blue, which offered smart contracts to a limited set of technical insiders. With this upgrade, the team let about 500 validators, stake pool operators, and developers test out the feature.



Alonzo White will run for two to four weeks before the testnet moves to its next stage. The final Alonzo upgrade will take place in September 2021.

Cardano aims to launch smart contracts on the mainnet, which will let developers write smart contracts. Once Alonzo is finalized, it will be possible to launch dApps for use cases like decentralized finance (DeFi), non-fungible tokens (NFTs), and more.

Cardano Reassures Users About Roadmap

Alonzo White comes at a time when Cardano has been criticized for rolling out new features slowly. Last year, Cardano leader Charles Hoskinson claimed that Cardano would have thousands of apps by July 2021. Today, there are only a few apps by some estimates.




It is still not clear when Cardano will launch smart contracts in a usable form, and users are not optimistic. In a prediction market on Polymarket, 68% of users are betting that Cardano will fail to deliver smart contracts on mainnet by Oct. 1, 2021.

In a YouTube video, Hoskinson has attempted to reassure users that the project is on track regarding its development roadmap. Hoskinson asserted that “the velocity is exactly where it needs to be, and the progress is exactly where it needs to be.” He added that there is an “enormous commercial interest” for Cardano and that several teams have expressed interest in building on it.

Hoskinson additionally told Crypto Briefing earlier this year that it is critical for Cardano to methodically test its network before it rolls smart contracts out to the public.

Despite the slow arrival of smart contracts, Cardano has made progress in other areas. Its Mary mainnet upgrade introduced native assets in March. Meanwhile, Cardano’ native token (ADA) was added to Grayscale’s multi-asset offering for institutions this month.


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