**Summary of Treasury Proposal 251**

- **Proponent:** 16HqymHVxdLtK8jtbur7DusQrfLAVEJZfsQijfxVwhQHiTgU
- **Date:** 17.03.2023
- **Requested DOT:** 76,620.00
- **Requested USD:** 463,627.62
- **EMA7:** 6.051
- **Purpose:** Development of an open-source web API system to connect enterprise IT with the Polkadot blockchain ecosystem.
- **Batch Call:** Rejects Treasury Proposals 247 and 248 due to incorrect amount submissions by the Aventus team.
- **Approval:** Approves Treasury Proposal 251, which corrects the previous errors.

proposalHash

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Polkadot web2/web3 API middleware development

**Sub.ID** is a web app launched in 2021 that helps users manage their Substrate addresses, balances, NFTs, and other assets in the Polkadot ecosystem. It has connected to 40 Substrate chains and has a dedicated vision and roadmap.

In 2022, a Kusama treasury proposal for new features was approved and successfully delivered in 2023. Now, Sub.ID is seeking funding for the following features:

- **Alternative balances view**: Shows token balances in different formats and supports multiple accounts.
- **Accounts grouping**: Allows users to organize accounts into groups like "Followers" and "Favorites."
- **Transaction history**: Provides a list of transactions with filters and integrates with Subsquid.
- **P&L analytics**: Offers a dashboard with profit and loss charts and integrates with CoinGecko.
- **Automated quality assurance**: Includes testing for balances, crowdloans, NFTs, and real-time integration.

The full proposal with costs is available [here](https://docs.google.com/document/d/1BgLXyCFbpcCKvv_JTBCwLR_btvFOJ0H8YArBYk5yZ_w/edit?usp=sharing). Feedback is welcome!

Sub.ID Proposal #2: Tx history, Token-centric view, P&L analytics, and more

Prevent the need for future forceXcmVersion referenda with Statemine

- A vote is happening to upgrade Statemine's runtime to version 4.
- The upgrade uses a special XCM call from the relay chain.
- The hash for the XCM call and motion details are provided.
- The encoded call data is shared for the upgrade.
- The hash for the upgrade authorization is also available.
- The new runtime file is on GitHub.
- Everyone is encouraged to vote soon!

Upgrade Statemine runtime to v4

- **Polkadot Developers Conference (sub0)** is a gathering for developers working on various levels of the Polkadot tech stack.
- The conference covers topics like custom blockchains, dApps, smart contracts, infrastructure, and cross-chain solutions.
- In 2023, sub0 will be held in Lisbon and is seeking funding from the Polkadot Treasury.
- The last edition in 2022 brought together developers from the Polkadot ecosystem.
- This year, sub0 aims to attract 50% new developers to expand the community and tech reach.
- The conference will focus on multichain networks and skill development for existing developers.
- Detailed information about the proposal, including milestones and budget, is available in the linked document.

Polkadot Developers Conference // sub0 Europe // Milestone 1

Runtime v9111 on Kusama Network

Runtime v9110 on Kusama Network

Runtime v9100 on Kusama Network

Cancellation of dispatched referendum 129 before enactment

### Parachains v9370 Release Summary

- **Release Version**: v9370
- **Main Update**: Adds OpenGov origins to Statemine.
- **Relay Chain**: Updates correspond to v9370 runtimes.
- **Statemint Upgrade**: Authorized upgrade with details in the release notes.
- **Collectives Upgrade**: Authorized upgrade with details in the release notes.
- **Polkadot Transaction**: Includes sending from Polkadot with specific details.
- **Proposal Hash**: 0x75df893fe3cd4e5960179865bef1291225df793082a46e721a786b3ce463471a

Upgrade System Parachains to v9370

forceRemove paraIDs for crowdloans and 2nd batch auctions

Upgrade Statemine runtime to v3

Runtime v9090 on Kusama Network

New runtime for Statemine - emergency proposal

Runtime v9080 on Kusama Network

Upgrade Statemine runtime to v2

Proposal fixing Moonriver parachain runtime upgrade issue

Limit on the maximum number of validators, based on scaling issues

Backfilling the winners map on 2nd auction, repairing the Auction state.

Runtime v9070 on Kusama Network

Runtime v9050 on Kusama Network

- The Council voted to fix an issue with Kusama's total issuance.
- Some KSM tokens were burned because of a problem with Statemine.
- A new update (v9040) will fix this issue and allow KSM to be counted again.
- The fix involves setting the balance of a special account to match the KSM in Statemine.
- The Council acted quickly to prevent more KSM from being lost during the fix.
- The Apps team will re-enable a feature called `teleport` after everything is fixed.
- This ensures that KSM tokens are properly accounted for and can be used again.

Democracy External Proposals