Hey Polkadot ecosystem community!
We are happy to deliver our work on the proposal approved on the 23rd of March 2023 and are requesting a second allocation of funds for the development of 8-9, 11 milestones of <a href="https://openbrush.io/">OpenBrush</a>.
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Context
Proposal was initially approved on Kusama OpenGov by a majority of 79.4%. <a href="https://kusama.polkassembly.io/referenda/138">https://kusama.polkassembly.io/referenda/138</a> However the delivery proposal failed by a small majority (second installment) &mdash; <a href="https://kusama.polkassembly.io/referenda/262">https://kusama.polkassembly.io/referenda/262</a> There was no indication of any delivery problems, so we assume the prorblem wasn't about delivery itself. Also, we assume the problem isn't about the importance or the quality of OpenBrush. OpenBrush is a widely used tool being leveraged my numerous projects (AlephZero, Astar Network, Phala Network, SubWallet, Artzero, Abax Finance). Consequently we were suggested by some of the tokenholders to request retroactive funding on Polkadot.
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TL;DR
The purpose of OpenBrush is to grow the emerging WASM smart contracts field. As Gavin mentioned in this <a href="https://www.coindesk.com/tech/2021/05/25/polkadots-gavin-wood-webassembly-is-the-future-of-smart-contracts-but-legacy-evm-is-right-now/">CoinDesk</a> article, WebAssembly is the future of smart contracts. Also, as was mentioned in the approved <a href="../post/1491">WASM smart contracts bounty</a> currently smart contracts parachains lead the ecosystem in terms of market adoption. However, despite WASM tech having a lot to offer, it's not being widely used at the moment simply because of lack of proper tooling and ecosystem infrastructure products
OpenBrush is a core infrastructure product, a starting point, and a base for every ink! dApp. 15+ production-grade teams and 3 parachains currently use OpenBrush. This proposal is a continuation of the development of the successful product, proposing the most developer-needed features, validated by market feedback.
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List of OpenBrush stakeholders &amp; users: 
AlephZero, Astar Network, Phala Network, SubWallet, Artzero, Abax Finance, AZERO.ID, Panorama Swap, Andromeda Swap, ink!Whale, Interlock, ArthSwap, ZapFi, Liberum DAO, Kagla Finance, Starlay, Paras, Koda Dot, Pink Robot, Zstake and 100 + unnamed devs and teams in our Discord.
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Delivery
You can find our delivery report here: (feel free to find the initial fulll proposal there as well)
<a href="https://docs.google.com/document/d/1o_gPHNn1L3lDEglil3S7t-xdl00Gz66dUHKkfNM51a8/edit?usp=sharing">https://docs.google.com/document/d/1o_gPHNn1L3lDEglil3S7t-xdl00Gz66dUHKkfNM51a8/edit?usp=sharing</a>
The amount was calculated as follows: 60720$/4.093=14833.623 DOT

The aim of this proposal is to raise awareness and promote Polkadot in Berlin through a targeted advertising campaign using branded taxis. By branding taxis with the Polkadot name, logo, and QR code, CultureDot aims to reach a wide audience, including tech companies, startups, conference attendees, and the general public.

amount

beneficiary

- The OpenBrush proposal was approved on March 23, 2023.
- They are requesting more funds for the development of OpenBrush.
- OpenBrush is an important tool for smart contracts.
- Many projects and teams use OpenBrush.
- The amount of funds requested is 14833.623 DOT.

#446 ink! OpenBrush 8-9, 11 milestone delivery

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