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Find New|Joystream: DAO Platform of Polkadot Ecology



"Find New" is a blockchain project observation project launched by Jinse Finance. It covers the development of projects in various fields of the industry, and the specific design includes project overview, technological progress, fundraising situation, etc., and strives to present you a collection of popular and trendy projects. . the

The Joystream protocol is a content-zce platform specification that attempts to be managed and operated by platform users. At the heart of the protocol is a shared platform state that is implemented on top of a blockchain consensus system that coordinates and provides incentives to all stakeholders. Almost every aspect of the platform is native to the protocol, and every subsystem is entirely the responsibility of the user.

Jsgenesis is the company and legal entity initially responsible for building and developing the Joystream platform. Jsgenesis is a limited company registered in Norway. Currently, it consists of four full-time members on three different continents. Right now, our two main focuses are developing the protocol, and building the team to execute it.

To explain why we chose to separate the two, we first have to tell you a bit about Joystream's vision. As stated in our manifesto, modern media platforms have grown into behemoths that are neither accountable to their users nor to conventional market and political constraints. We understand that there are two basic approaches participants can take to hold any type of institution accountable: voice and exit.

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That's why we want to launch an alternative that is fully developed, controlled and operated by its users.

We want to separate the team that launches the platform from the platform itself. Our role is to set up the infrastructure, network and tools so users have a solid foundation to keep projects running. We believe that the key to making this happen is on-chain governance, where every role and every decision entails risk. By separating the two, we hope to avoid confusion in the future when Joystream becomes a user-controlled platform completely separate from ours.

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Another key reason why Joystream is actively participating in the testnet. Jsgenesis is committed to fully handing over the project to platform users shortly after the mainnet goes live. At this time, the Jsgeneiss team will not be doing any further development, influencing governance or otherwise participating in the project. This means that Joystream's success is entirely dependent on having a large base of "power users" who know how to develop, manage and operate the platform from day one.

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At some point in the future, we expect the community to be large and mature enough to be willing to participate in the testnet without additional incentives.

The goals in this release are to familiarize yourself with the framework, test the functionality of Tendermint, the Cosmos SDK, and keep our community informed about where the project is headed.

Although functionality is limited at this stage, we hope that some of you will be able to participate in testing, provide some feedback, and prepare yourself to become full node operators and validators for future releases.

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A few days ago, when the National Development and Reform Commission publicly solicited opinions on the "Market Access Negative List (2021 Edition)", it included virtual currency "mining" activities in the elimination category, and recently organized a special video conference on virtual currency "mining" governance. [2021/11/18 22:00:20]

Joystream launched the second testnet Sparta at the end of February 2019. There are many reasons why crypto projects often launch multiple testnets in stages before finally going live on mainnet. We'll test our code on the fly, add new features when ready, fix bugs and get user feedback. All without risk of actual loss.

Athens will launch the first version of the content-zce distribution system on the platform. In addition to the old paid roles, the new Storage Provider roles will also be activated. Like Sparta, participants in Athens can also earn Monero.

For media platforms like Joystream, many non-system-critical changes must be made as the project grows, for example, changing parameters such as transfer_fee and validator_count. For a protocol as rigid as Bitcoin, a similar change would require a hard fork. For protocols built on top of the Substrate framework, if the predefined governance mechanism chooses to do so, it can be changed simply with a single chore (for simplicity, we'll call it a transaction).

Another app for runtime upgrades to fix bugs. The fix sudo (followed by transactions) (next section) will automatically update the consensus code of all current and future nodes in a running network without requiring anyone to upgrade their software.

For the less technically inclined, a quick and complicated way of defining runtime is simply the way a program executes and behaves. This includes certain aspects of the code, which have implications for consensus, efficiency, and behavior. These paragraphs focus on the consensus aspects of the runtime.

For Substrate-based blockchains like Joystream, the initial runtime is part of the genesis block of the WASM image. This means that when a validator produces a block, it must follow all the rules defined in the runtime, otherwise it will be rejected by other validators and nodes on the network.

In our founding runtime, we included two mechanisms to allow upgrades:

Sign transactions directly with sudo.key

Proposed transaction via runtime upgrade

The sudo.key address can be found by visiting the testnet UI settings and changing to the Fully featured interface. Then, Chain state is accessed from the sidebar, Sudo is selected from the selected state query drop-down menu, and the + button to the right is clicked. We control the private key corresponding to this address in Jsgenesis, allowing us to force changes. This feature will be removed when the platform goes live on mainnet, or shortly after the transition period. Even now, we intend to use it as little as possible.

To vote on a new runtime, a proposal must first be submitted to the council. If the recommendation reaches the voting_period within the approval_quorum, the recommendation run upgrade is automatically deployed to the network. In future testnets and mainnets, some additional checks and balances will be implemented depending on which parameters of the consensus code change.

Perhaps the most interesting aspect is that a successful runtime upgrade can introduce new rules and mechanisms for future runtime changes.

In the future, we plan to build a module where this WASM image is compiled locally on each validator machine and verifies that the checksum matches the voted proposal. This will provide additional security as it can be proven deterministically that each validator's code is the same and matches the proposal's code. Therefore, confirm all the tests and double-check the platform that the software developer has done.

Assuming the sudo transaction actually works, or after the proposal is passed by the council, the new runtime will be stored on-chain. In the next block, all generated blocks must follow the new consensus rules contained in the new runtime to avoid being invalidated and thus forked.


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