Open-source acknowledgements

Arena's website is built with open-source software. These are the projects whose code, icons or fonts it sends to your browser, with their licences and copyright notices.

TradingView Lightweight Charts

Arena's price charts are drawn with TradingView Lightweight Charts 5.2.0, made by TradingView, Inc. and licensed under the Apache License 2.0. Its attribution notice is shown below.

TradingView Lightweight Charts™
Copyright (с) 2025 TradingView, Inc. https://www.tradingview.com/

TradingView's website is https://www.tradingview.com/, and the library's source code is at github.com/tradingview/lightweight-charts.

Tabler Icons

The sport icons use path data from Tabler Icons 3.49.0, under the MIT License.

Copyright (c) 2020-2026 Paweł Kuna

Other open-source code and fonts

The rest of the code, styles and fonts that the website sends to your browser are listed below by licence. The lines under each name are that project's copyright notice, and an entry whose licence file names no copyright holder says so.

Apache License 2.0

Each is licensed under the Apache License 2.0.

Vercel Speed Insights 2.0.0.Copyright 2023 Vercel, Inc.
SWC helpers 0.5.15. Next.js includes it in the code it sends to the browser.Copyright 2024 SWC contributors.
Paddle.js loader 1.6.4. It is bundled inside the RevenueCat Web SDK. It has no NOTICE file.Its licence file names no copyright holder.

BSD 3-Clause License

Each is licensed under the BSD 3-Clause License. The licence's wording differs from project to project, so each one is shown with its own conditions and disclaimer.

ieee754 1.2.1. It is part of the buffer code that Next.js sends to the browser.Copyright 2008 Fair Oaks Labs, Inc.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
epgsql. Supabase's realtime client adapts its list of Postgres types from it.Copyright (c) 2008, Will GlozerCopyright (c) 2011, Anton LebedevichAll rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
* Neither the name of Will Glozer nor the names of his contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

MIT License

Each is licensed under the MIT License, whose terms are at the end of this page.

React 19.3.0-canary-3f0b9e61-20260317. This is the build of React that Next.js 16.2.10 bundles and sends to the browser, with React DOM, Scheduler and the React Server Components client (react-server-dom-turbopack).Copyright (c) Meta Platforms, Inc. and affiliates.
process 0.11.10. Next.js includes it in the code it sends to the browser.Copyright (c) 2013 Roman Shtylman <shtylman@gmail.com>
buffer 5.6.0. Next.js includes it in the code it sends to the browser. It contains base64-js and ieee754.Copyright (c) Feross Aboukhadijeh, and other contributors.
base64-js 1.5.1. It is part of the buffer code that Next.js sends to the browser.Copyright (c) 2014 Jameson Little
Edge Runtime cookies 6.0.0. Next.js includes it in the code it sends to the browser. Its package is @edge-runtime/cookies.Copyright (c) 2024 Vercel, Inc.
Supabase JavaScript client 2.110.6. It includes its auth, functions, PostgREST, realtime and storage clients.Copyright (c) 2020 Supabase
cookie 1.1.1.Copyright (c) 2012-2014 Roman Shtylman <shtylman@gmail.com>Copyright (c) 2015 Douglas Christopher Wilson <doug@somethingdoug.com>
fancy-canvas 2.1.0. Lightweight Charts uses it.Copyright (c) 2019 TradingView, Inc
RevenueCat Web SDK 1.47.3. It bundles the RevenueCat paywall components, Svelte, clsx, the Stripe.js and Paddle.js loaders, http-status-codes, node-qrcode, dijkstrajs, Babel helpers, Mock Service Worker (msw) and outvariant, each credited on this page.Copyright (c) 2023 RevenueCat
RevenueCat paywall components 4.8.6. It is bundled inside the RevenueCat Web SDK. Its package is @revenuecat/purchases-ui-js.Copyright (c) 2024 RevenueCat
Svelte 5.46.4. It is bundled inside the RevenueCat Web SDK.Copyright (c) 2016-2025 [Svelte Contributors](https://github.com/sveltejs/svelte/graphs/contributors)
clsx 2.1.1. It is bundled inside the RevenueCat Web SDK. Svelte uses it.Copyright (c) Luke Edwards <luke.edwards05@gmail.com> (lukeed.com)
Stripe.js loader 9.7.0. It is bundled inside the RevenueCat Web SDK.Copyright (c) 2017 Stripe
http-status-codes 2.3.0. It is bundled inside the RevenueCat Web SDK.Its licence file names no copyright holder.
node-qrcode 1.5.4. It is bundled inside the RevenueCat Web SDK.Copyright (c) 2012 Ryan Day
Babel helpers. These are small functions Babel writes into compiled code. The Stripe.js and Paddle.js loaders inside the RevenueCat Web SDK carry them.Copyright (c) 2014-present Sebastian McKenzie and other contributorsCopyright (c) 2014-present, Facebook, Inc. (ONLY ./src/helpers/regenerator* files)
Mock Service Worker (msw) 2.7.0. A small part of it, its message helpers and a check that the browser supports URLs, is bundled inside the RevenueCat Web SDK.Copyright (c) 2018–present Artem Zakharchenko
outvariant 1.4.3. It is bundled inside the RevenueCat Web SDK. Mock Service Worker uses it.Copyright (c) 2021–present Artem Zakharchenko
Tailwind CSS 4.3.2. The website's stylesheet is built with it.Copyright (c) Tailwind Labs, Inc.
core-js 3.38.1. It is part of the polyfill Next.js serves to older browsers.Copyright (c) 2014-2024 Denis Pushkarev
whatwg-fetch 3.0.0. It is part of the polyfill Next.js serves to older browsers.Copyright (c) 2014-2016 GitHub, Inc.
object-assign 4.1.1. It is part of the polyfill Next.js serves to older browsers.Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)

SIL Open Font License 1.1

Each is licensed under the SIL Open Font License 1.1.

Geist and Geist Mono. These are the website's fonts. They are taken from Google Fonts when the site is built and are served from Arena's own domain.Copyright 2024 The Geist Project Authors (https://github.com/vercel/geist-font.git)

MIT License terms

These are the terms of the MIT License for every project above under it. Each project's copyright notice is shown with its name.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.