Original title: "What is Coming to Cosmos in 2022?"
Original author: Christina Cosmos
Original compilation: Cosmos China Chinese Technology Community

The Cosmos ecosystem includes some of the most innovative blockchain projects. From decentralized finance to social fields, from privacy protocols to NFTs, the Cosmos ecosystem provides impeccable security for projects in these fields. In addition to well-known projects such as Cosmos Hub, IRISnet, Secret Network, Terra, and Osmosis, Cosmos will welcome more new members in the first half of 2022. Many up-and-coming projects are running testnets and incentivized testnets that will also debut on mainnet this year.
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This article will briefly Explain the role of testnets, highlight some of the most successful incentivized testnets in Cosmos history, and share the hottest new projects to watch in the coming months.
Testnets are nothing new . In the field of Internet development, any software will use the test network as a standard before it is put into production. Through the testnet, developers are able to test product functionality in a simulated environment that is as close to the real environment as possible. Testnets allow developers to find bugs or user experience (UX) issues and stress test software before it is officially launched.
The same is true in the blockchain field. It can even be said that the testnet is more valuable in the blockchain field. Because the test network allows pre-testing of the operating environment, thereby avoiding the risk of losing real assets. The test network is equivalent to a replica of the production environment, but does not contain real assets, thus avoiding the loss of user assets caused by code loopholes, unknown user experience, or malicious behavior. Testnets also allow developers to put the operating environment under as much stress as possible to ensure optimal stability and security before features go live on mainnet.
As a quality assurance tool, the testnet not only provides an opportunity to test the blockchain infrastructure, but also becomes an important part of educating and developing the online community. The success of a testnet or incentivized testnet can also reflect the state of a blockchain project, so having clear documentation, block explorer or dashboard tools, functional faucets, tutorials, sign-up paths, etc. is attractive. Key attributes of developer community participation in network testing. A strong and well-run test network usually makes developers think that the blockchain project is worth investing time and even money, because building a test network usually requires high costs.
Ethan Buchman, co-founder of Tendermint and Cosmos, spoke in an informative podcast about what happened before the official launch of the Cosmos Hub (then the Gaia testnet) More than 10 Cosmos testnets in operation. In this podcast interview, Ethan discusses the exciting ideas of incentivized testnets and decentralized genesis blocks, topics that are now commonplace but innovative at the time. The Cosmos testnet has proven to be widely successful over the years, for example helping developers spot issues with the consensus engine, state machine, and even validator operational setup.
Ethan Buchman Blog Interview< br>
As the name suggests, an incentivized testnet motivates participants Discover vulnerabilities, discover user experience improvements, test the network's incentive-response properties, and even try to destroy the testnet through coordinated attacks. Cosmos has a long history of incentivized testnets dating back to the wildly successful Game of Stakes in 2018. Game of Stakes is the first incentivized testnet for distributed communities and paves the way for the launch of the Cosmos Hub in 2019.
Game of Stakes encourages participants to discover issues related to Tendermint software, infrastructure, and validators. Notably, the chain was interrupted four times during the testnet period, allowing many issues to be located and fixed (including major bugs in Tendermint Core and the Cosmos SDK), and solidifying the Cosmos Hub validator community, enabling it to dynamically Adapt to network conditions.
Game of Zones is another series of successful adversarial testnet challenges launched by Cosmos in 2020, aimed at getting the Cosmos ecosystem ready for the IBC launch . The challenge took place in three phases, each focused on testing a different area — from stress testing the IBC security model to challenging IBC throughput. Participants are rewarded from the total prize pool by completing various tasks such as launching deceptive attacks, etc.
As the importance of the testnet and incentive testnet continues to be highlighted, it is regarded as a qualified block An indicator of chain projects, more and more Cosmos chains are preparing for the upcoming testnet release. Let's take a look at the test cafes coming to Cosmos in the first half of 2022!

Archway is a Cosmos incentivized smart contract platform that provides full CosmWasm integration. Unlike other smart contract platforms, Archway builds developer rewards directly into the protocol itself. When decentralized applications (dApps) generate usage on the network, they are rewarded with a percentage of the network layer, similar to how validators are rewarded in a typical proof-of-stake (PoS) chain. Archway's mission is to create a fairer blockchain ecosystem that rewards not only network operators and early contributors, but also developers who build on and bring value to the underlying network.
In preparation for the mainnet, Archway will launch its first incentivized testnet, Augusta, in March 2022. The testnet project will be carried out in phases with the aim of testing various aspects of the network and growing the entire ecosystem of validators, developers and community members. Testnet participants will participate in a series of guided missions and challenges, and have a chance to earn rewards. Follow the official Archway Twitter account and subscribe to the email for more details.

Celestia is the first modular blockchain network. Celestia enables the modularization of the blockchain technology stack and opens up new possibilities for decentralized application (dApp) developers by decoupling consensus and application execution into separate chain layers. Like virtual machines, Celestia enables developers to easily define and deploy virtual execution environments without launching a consensus network. Applications on Celestia will inherit and share the security of the Celestia consensus while maintaining a high degree of sovereignty. At the same time, these applications enjoy scalability, autonomy and security.
The Celestia team is currently running an initial testnet called devnet; devnet started as a small internal testnet and later evolved into a public testnet with significant community participation. The first public testnet will be launched in the second quarter of 2022. The testnet is designed to grow and stabilize the validator community, and will allow dApps and rollups to be built on Celestia for the first time. The testnet will continue to run for several months and will lay the groundwork for the Celestia incentivized testnet in Q3 2022. The network will consist of a series of tasks and challenges that developers and node operators can earn rewards for completing. The Celestia incentivized testnet will have nearly the same functionality as the mainnet, which is scheduled to launch in late Q4 2022.

Tgrade is the CosmWasm development team The first compliant decentralized financial platform launched by Confio. This innovative project combines Proof of Stake (PoS) and Proof of Engagement (PoE) consensus mechanisms to make up for the "short board" of the PoS consensus mechanism, especially during the project's launch phase.
PoE is designed to incentivize wider community collaboration, opening up a wider range of Project development opportunities.
Proof of Engagement (PoE) Consensus Mechanism
Currently, Tgrade is running the first of its series of public testnets and will Hold the expected Game of Engagement competition after the mainnet launch. The slight difference is that Tgrade chooses to run a non-incentivized testnet, and then turns on incentives when the mainnet is launched. Game of Engagement will be open to many different participants and does not require participants to have deep technical knowledge.

Umee provides a go-to for all types of cross-chain interactions between networks The centralized infrastructure allows users to freely operate and transfer between more than 40 chains, and explore decentralized financial applications between different blockchain networks in a seamless and trustless manner.
Umee will be running an incentivized testnet on its recently launched Umeeverse Party web app. Any user interested in testing cross-chain functionality can join the testnet. In addition, the testnet adopts a user-friendly design and does not set any technical barriers. The Umeeverse Party is a total value locked (TVL) contribution competition where teams will take snapshots at random times and rank their TVL contributions. Umeeverse Parties are the best way to train new users and encourage them to experience cross-chain functionality.

Pylons is the universe The flagship NFT platform in the ecosystem, providing a full-featured SDK for creating mobile experiences and NFTs. Unlike other popular NFT platforms, Pylons is entirely commission-based and does not charge any on-chain fees. Pylons will allow users to generate and transfer NFTs within mobile experiences developed through its SDK. The SDK and applications on Pylons provide 100% access rights, and provide users with a free and barrier-free entrance to the NFT ecosystem. The goal of Pylons is to remove all existing barriers to owning and transferring NFTs, including high transfer costs and the need to hold cryptocurrencies to make purchases, etc., and realize the use of cross-chain assets for NFT transfers through the IBC cross-chain protocol.
In preparation for the mainnet, Pylons will launch the first incentivized testnet in late March 2022. The testnet will be conducted in phases with the aim of testing various aspects of the Pylons network and growing the entire ecosystem of validators, developers and community members. Participants will complete a series of tasks and challenges and have the opportunity to earn rewards.
Now, you can start using the Pylons SDK to build a Pylons-based mobile experience.
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