Snowbridge
@_snowbridge
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Snowbridge is a fully trustless bridge between Polkadot and Ethereum.
Joined July 2020
🚀 Snowbridge Launch on Polkadot! 🌉. We’re thrilled to announce Snowbridge is now live on Polkadot! This trustless bridge between Polkadot and Ethereum is a game-changer for interoperability in the ecosystem. 🌐✨.
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Our team successfully tested a $DOT transfer from Polkadot AssetHub to Ethereum, and back. 🥳 Polkadot native assets coming to Ethereum. 🔜.
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The Snowbridge update you’ve been waiting for is here - bridge your ERC-20 tokens directly from Ethereum to Hydration, Moonbeam, and Bifrost. 🫳🎤 Available on Turtle and Snowbridge UI. And, you can transfer tokens back to Ethereum from Hydration & Bifrost, with a single click.
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Snowbridge is requesting funding from the @Polkadot treasury to launch a fully trustless, common good Ethereum bridge. Dig into our long term funding proposal and share your thoughts, excitement & approval with us on the Polkassembly thread 🌈🫶🥳!.
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Gm! 🌞 Happy Pectra day! 🦒. Snowbridge just flawlessly upgraded to Ethereum’s Pectra hard-fork. No downtime, no forks - just one of the many benefits of building with Polkadot’s forkless upgrade model.
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NeuroWeb announces plans to integrate with Snowbridge, enabling a direct connection between NeuroWeb and Ethereum. Let's go! 🏂.
🧵This year @NeuroWebAI accelerated its dominance in Knowledge Assets created on @origin_trail network, to power verifiable AI across world-class organizations. Key stats:.📚 70% of all Knowledge Assets created on NeuroWeb on @Polkadot, ahead of Gnosis 22% and Base 8%. 1/3
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snowbridge is live on rococo :D. we're busy testing/configuring, and hoping to start xcm testing with other parachain teams next month!.
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Second Snowbridge announcement: Bridging native Ether (not only wrapped Ether) is now supported on Snowbridge! 🎉.
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Hey Polkadot fam! 🐻 Bear or bull market, we keep building at Snowbridge. 💪 Here is what we've been up to in the last few weeks.
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Pssst. A little birdie told us that the very first ERC-20 transfer just landed on Kusama AssetHub. 🐦 UX coming soon!. Tx proof:
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🪧 Public announcement: Native ether transfers are soon coming to Snowbridge! Less more 'Weeth,' 'Wefff,' (or however you're not pronouncing it) and more EeeeeTH!. Proposal to upgrade the Snowbridge Gateway contract: 🤝.
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Hey @kusamanetwork! We have been quiet, but we have not forgotten about you. 😊 We are enabling Snowbridge on Kusama in the first half of 2025. Read more about our plans for Kusama here. Please let us know what you think!.
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Snowbridge just paid out its first bug bounty!. Thanks to @desaiparth08 and @irazok from Tanssi for noticing a potential vulnerability in our Testnet that could allow an attacker that was capable of taking over a parachain to mint infinite assets.
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Gm! Two massive announcements coming from Snowbridge today. Get ready! 🏂 ❄️.
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Snowbridge is live and we've completed our milestones from 2022. We just put out our proposal to finalize funding for them, and to set up for further longer term success: Get the deets on what we've been up to, future plans and please come support 🙏🙏.
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Exciting updates from the Snowbridge team! ❄️ Here’s what we’ve been up to lately:.
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With our initial launch done, it's time to secure the long term and start to ramp up!. Our upcoming funding proposal is now up on Polkassembly!. Get all the details on what we've been up to and our future plans. 🙏🙏Please come support and discuss🙏🙏.
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☃️ Snowbridge update! Here’s what we’ve been working on the past 2 weeks:. 🏗️ Unordered Message Delivery Design: We’re working on a new architecture to lower fees and add more flexibility for bridge transfers by switching from ordered to unordered message delivery.
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Our proposals for long term funding to launch a fully trustless, common good Ethereum bridge on both @Polkadot and @kusamanetwork are live!. Kusama public vote: Take a look and please vote with your KSM to support 🌈🫶.
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Hey Polkadot community! 🌨️ As part of our ongoing efforts to keep the community informed about our progress with Snowbridge, we would like to share an update on what our team has accomplished in September.
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We successfully tested the Ethereum Electra fork on the Sepolia-Westend bridge yesterday! 🎉. Next steps are updating the Polkadot runtime config when the Electra Mainnet fork becomes known, and submitting a BridgeHub runtime upgrade proposal.
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Major milestone!. Snowbridge is now part of the core polkadot-sdk. Look forward to the new year for further announcements (:.
Snowbridge has been merged into the Asset Hub and Bridge Hub Rococo runtimes. Deployment soon. 🚀#ChristmasRelease.
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No doubt you've seen the news, but here's a summary of what our team has been working on over the last couple of months. TLDR; massive Snowbridge momentum. 🏂.
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GM. We keep building, regardless of the markets.
GM. We keep building, regardless of the markets.
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No need to bundle up, but you might want shades 😎 —our brand-new Snowbridge UI is blindingly frosty! Step into the (digital) snow and enjoy the chill vibes. #WinterIsHere ❄️. Got thoughts? Drop 'em below!.
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Snowbridge is coming to Acala. 🤝.
New bridges are coming to Acala!. We’re excited to welcome @_snowbridge and @hyperlane, two powerful bridge protocols that expand Acala’s multichain connectivity and unlock more liquidity routes for developers and users. More access. More assets. More possibilities. 🧵
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The proposal for Snowbridge on @Polkdot is now a public Referendum - come take a look and vote with your DOT to support:.
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GM! A reminder of Snowbridge's unique position in the Polkadot ecosystem. ☃️. 👥 Community owned.🤝 Trustless, no multisigs. 💱 Integrates seamlessly into AssetHub.📨 Uses tried and tested XCM as message format.
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Turtle adds native ETH to Turtle. 🐢 + ☃️ = 🏆.
📢 Native ETH bridging NOW LIVE! . Bridge ETH from Ethereum to AssetHub + Bifrost directly, with no wrapping needed. Thanks to @_snowbridge's upgrade! . Simpler. Faster. Cheaper. More possibilities on @Polkadot through Turtle. Try 🐢:
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Snowbridge enables smooth cross-chain transfers, trustlessly. Go check out Turtle! 🐢.
Go cross-chain. Use Turtle. 🐢. Built on @_snowbridge, the Turtle app connects Polkadot, parachains, and Ethereum — trustlessly. Transfer USDC, DOT, ETH, and more. Cross-chain, no middlemen. Here's how it works:
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With the Ethereum Electra fork on the horizon, our team figured it is a good time to share how our Ethereum light client evolved over the years. From PoW to PoS (and beyond), here’s how we built the Snowbridge Ethereum light client:
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Early adopters can try Snowbridge now!. Note: Full support in Talisman, SubWallet, and Nova Wallet support is coming soon. Until then, view your balances and transfer on the Snowbridge web app. 🚀.
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Snowfork is happy to support as a new partner of the Substrate Developer Academy!. Next intake starts Feb 15!. See the talk to learn about the Academy with @XiliangChen of @AcalaNetwork, @INDUSTRYCONNEC7, @ShannonC_NZ and @ParityTech. Crowdcast replay:
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Snowfork is building a trustless, general purpose Polkadot <> Ethereum bridge!
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podcast about snowbridge!.
Bridging crypto is SAFE now?!.Crypto bridges have been the number ONE vulnerability in the crypto space, with countless hacks and significant amounts of money lost! . That's why this episode is so crucial. Long awaited project #Snowbridge @snowfork_inc is live and we discuss and
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Kusama community, please vote on this white-listed caller ref to register ERC-20 assets on Kusama. This ref paves the way to have ERC-20 tokens double bridged from Ethereum to Polkadot to Kusama.
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It's happening! ⛷️.
Snowbridge's ETH & BTC incentivized pool going LIVE this Thursday! 💥. As part of our 1M DOT campaign, we'll be launching @_snowbridge ETH & wBTC pools that will be incentivized by ecosystem $DOT & $STELLA 🔥. Get ready 🤜🤛
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Snowbridge is audited on an on-going basis to ensure security and robustness.
We have just published our audit report of updates to @_snowbridge, Snowbridge Updates 4. Learn more in our report:
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An initial scale test will run for 2 weeks. Keep in mind that during this time, there is a backup admin feature active that allows for upgrades and bug fixes. Afterward, this will be removed and Snowbridge will go fully trustless using cross-chain governance. 🔄🛠️.
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Learn more:.- Full announcement: - Snowbridge App - Technical Docs - Github
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Snowbridge allows seamless transfer of ETH and ERC20 assets between Ethereum and Polkadot. Multiple parachains and wallet integrations are on the way. 🔗💸. For more details and to test it out, see the full release announcement here:
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Fantastic news! 👏.
1/3.🚨 Big news 🚨 TEER landed on Ethereum!.We’re taking TEER to the next level by expanding it to the Ethereum ecosystem. Thanks to our partner @_snowbridge, which is the pioneer in bridging assets from Polkadot to Ethereum and vice versa, we are among the first to utilize this
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Integritee Network integrates Snowbridge. 🎉.
🚨 Feature alert 🚨 USDC & USDT now LIVE on Incognitee – you can now transfer, send messages, and vouchers privately via our app! 💸 In this article, we explain how to bridge your tokens via Snowbridge to start using stablecoins on Incognitee today! ⬇️.
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Snowbridge also has support for arbitrary messaging, DOT bridging, and XCM Transactions between Polkadot and Ethereum, enabling true cross-chain applications. 🚀🔄. These extras will be enabled soon, after the initial asset transfer functionality has some time to bake.
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❄️ What’s new with Snowbridge this week? Here’s a quick update from the team. 🌍 The Snowbridge Team is in Berlin! We’re at the Parity offices for a focused week of co-working on XCM and our Snowbridge roadmap.
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Snowbridge eliminates reliance on third-party signatures, enhancing security by using only first-party Polkadot and Ethereum validators. 🔐. This upgrade strengthens Polkadot’s value proposition by ensuring that Ethereum assets are always secured by the Polkadot Relay Chain. 🔗💪.
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Stay tuned for a governance proposal detailing the long-term future and funding of Snowbridge. Discussions about a liquidity program are also happening! 🌉💬.
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Snowbridge opens up new growth opportunities for Polkadot, unlocking potential assets and interactions with Ethereum. Expect more cross-chain experimentation in the future! 🌱.
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Built on BridgeHub, Snowbridge draws its security from the relay chain and governance from the DOT token, promising transparent, permissionless, and auditable on-chain logic. 📜🔒.
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Good summary about Snowbridge's growth and developments over the last year.
Polkadot’s Snowbridge is changing the bridging game . Since its launch in June 2024, Snowbridge has been redefining cross-chain interoperability. Unlike traditional bridges, Snowbridge is fully trustless it operates without external validators or multisigs. Instead, it relies
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LFG! 🏂.
GGWP 🫡. Now let's get some deep liquidity for Snowbridge USDT and USDC within the Polkadot ecosystem to make the experience for those coming from Ethereum even more flawless. As a reminder, we now have:.✅Ability to pay transaction fees in bridged USDT/C .✅No requirement to
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This is the last message of this tweet thread! Nothing below is official.
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🚀 Supporting Polkadot-native assets on Ethereum: We’re enabling the transfer of Polkadot-native assets to Ethereum, where they will exist as wrapped ERC20 contracts. PR #5546 �.
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Guess what? Our replacement Kusama proposal will fail again 😭. There was a bug in Polkadot-JS that has now been fixed, but we've had to submit another replacement Referenda. Sorry to ask again, but please vote to support support Snowbridge launch on KSM:.
It's fun to be the Gov2 guinea pigs 🐷😅🐖. Due to an issue with the treasury call used, our initial Kusama vote will not be able to be executed. We've got a replacement Referenda up - please vote again on the new one to support Snowbridge launch on KSM:.
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✨ A new and sparklier version of the Snowbridge UI will be released soon, stay tuned!.
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$DOT back to Asset Hub:. Submitted to Snowbridge Gateway: Message received on Polkadot Asset:
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The cost of transferring will be lowered from around 11 DOT to more or less 6 DOT, dependent on the Governance proposal passing. More on that here: Referendum #1127 (please vote! 🧑⚖️ ).
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💎 Snowbridge isn’t just a bridge—it’s a future-proofed gateway for enabling cross-chain use cases like DeFi, NFTs, and more. By supporting features like arbitrary contract execution, it opens doors for limitless possibilities between Ethereum and Polkadot.
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🧑💻 We’ve been hard at work redesigning Snowbridge to support unordered message delivery. This change will significantly lower fees and unlock new features like arbitrary contract execution in both directions between Polkadot and Ethereum. 🌉✨.
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The bug did require takeover of a trusted parachain to do the exploit, but even so we determined that this was a High Severity issue and have awarded a bounty of $15,000 worth of DOT.
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Snowbridge represents at EthDenver. 🏂 Thanks for the demo Bargav!.
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Registration is now open, but space is limited. The next intake starts February 15th. To learn more about the Substrate Runtime Developer Academy and register, see the website here:
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Transactions:. $DOT to Ethereum:. Submitted to Polkadot Asset Hub: Message dispatched on Ethereum:
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It's fun to be the Gov2 guinea pigs 🐷😅🐖. Due to an issue with the treasury call used, our initial Kusama vote will not be able to be executed. We've got a replacement Referenda up - please vote again on the new one to support Snowbridge launch on KSM:.
Our proposals for long term funding to launch a fully trustless, common good Ethereum bridge on both @Polkadot and @kusamanetwork are live!. Kusama public vote: Take a look and please vote with your KSM to support 🌈🫶.
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Fortunately, the bug had never been deployed to production and so there was no issue with Snowbridge.
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This means it is even cheaper to run the Ethereum client, saving Treasury some cash. It also paves the way for decentralizing our relayers, a much needed requirement for a fully decentralized bridge. Dive into the code here: PR #5201 �️.
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4/4 Ultimately, such a bridge could lead to applications that transend the choice of layer-1 platform and actually live somewhere between both blockchains.
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Whether it’s WETH, MYTH, or WBTC, if it’s transferred via Snowbridge, you’ll see it in Talisman. 👛✨.
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🦄 Snowbridge at Devcon 7! We checked in with the Ethereum community and had a fantastic time engaging with builders and innovators. We connected with teams that we have been working with, such as Lodestar and Dwellir.
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🔧 This is a huge step for cross-chain interoperability, bringing Polkadot one step closer to bridging assets to Ethereum. Check it out here: PR #5546
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📆 We are on track to deliver this new version of the bridge (which will be backwards compatible with the current version) as part of the Polkadot SDK release stable2503.
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Snowbridge is an industry-wide innovation in bridging, built entirely on light clients with no third party multisig dependency. Perfect time to flip the narrative and show how Polkadot supports parachain builders and public goods and is still leading innovation in Web3.
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3/4 Since it will be capable of relaying arbitrary state, you will be able to do things like have applications on Polkadot call smart contracts on Ethereum. Furthermore, Ethereum smart contracts will be able to have similarly complex interactions with Polkadot-based applications.
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🚧 Stay tuned for more updates as we keep building and optimizing to make cross-chain transfers smoother than ever! 🌉.
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Thrilled to work with @AcalaNetwork to connect Acala and Ethereum. 🤝.
Acala is Integrating with Snowbridge! 🌉. We’re thrilled to announce that Acala Network will be integrating with @_snowbridge creating a seamless connection between Acala and the Ethereum ecosystem. This integration enhances our vision of interoperable DeFi ecosystems. Here's
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For example, on the Paseo status page (, you can see there’s currently an issue with the BEEFY client due to high Sepolia gas fees: “To Ethereum: Delayed 50h 59m 6s. 🤝 Stay tuned for more updates as we keep pushing Snowbridge forward!.
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@vgeddes @cisco_aguirrep @AlistairSingh7 It’s been a productive week so far with @AlistairSingh7, @vgeddes, @katamitts, @cisco_aguirrep and @Robert_Hambrock collaborating intensively. Big things are coming—stay tuned.
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🔥 Foreign Assets Support in Talisman: Talisman wallet now supports foreign assets! Assets transferred using Snowbridge will be visible in your Talisman wallet. No more switching wallets or losing track of your tokens—everything is in one place.
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💸 Lowering Transfer Fees: Good news for everyone transferring ERC20 tokens back from Polkadot to Ethereum! We’re updating bridge pricing parameters to reflect the lower gas fees on Ethereum.
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🚀 Lots happening behind the scenes as we keep pushing forward with new features, enhancements, and improvements. Stay connected for more updates and announcements! ❄️ 🌉.
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🔄 Polkadot Native Assets on Ethereum: We’re excited to announce that our feature for transferring Polkadot native assets to Ethereum has gone through extensive reviews from the Parity team and is likely to be merged this week.
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This approach offloads much of the complexity around fees off-chain and will enable arbitrary contract execution in both directions. It’s also a major step towards enabling Snowbridge on Kusama! Want more details? Check out our design docs:.
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@Polkadot @kusamanetwork . or if you feel the need to reject👹👿 - please reach out to share why before you do and give us a chance to sway you 😉💕.
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⚖️ Free Consensus Updates for Ethereum Client: Relayers providing consensus updates (powering the on-chain Ethereum light client) will be refunded fully for transactions if the updates are valid.
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🔍 Snowbridge Status Dashboard: Did you know you can view the real-time status of Snowbridge at This status page is also available for all testnets.
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@bitfalls @Polkadot @kusamanetwork nahh, just those who hold bridged KSM and KSM-related assets get rekt. don't use those assets if u dont trust kusama. anyway snowbridge doesn't involve ksm yet, tho same applies: don't use assets bridged from eth if u don't trust eth 😂. tho if u don't trust eth u got no hope.
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• Architecture Design: • Snowbridge on Kusama: Comments on the architecture doc are welcome.
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Gm. Got trust issues? We respect that. Snowbridge’s trustless approach to bridging Polkadot and Ethereum means no heartbreak, just smooth transactions. 🏂.
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@VentureWeb3 @musnit we're ready to launch, but blocked waiting on the new BEEFY proof feature to get launched on kusama and polkadot :).
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🔬 Snowbridge on Paseo & Westend Testnets: Snowbridge is now available for testing on both Paseo and Westend. You can try out transfers and explore the latest updates here:. • Paseo: • Westend:
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V cool bogota hackathon project forked from snowbridge (:.
At ETHBogota, the chads @erktu @willemolding @caymannan built Zipline, which I'd describe as:. "An Ethereum light client, executing off-chain and proven optimistically on-chain via Cannon, which allows trustless bridging past the challenge period".
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⚠️ Note: Sepolia gas prices are high at the moment. If you’re testing Polkadot → Ethereum transfers, so gas fees might be higher than usual. 💸💸 💸.
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2/4 Though the first phases of the bridge are focused on transferring ETH, ERC20 tokens and other assets, ultimately the bridge should facilitate a much more sophisticated degree of interoperability between Polkadot and Ethereum.
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@snowfork_inc This tweet attests that Snowfork owns the following Polkadot address: 12UDxESUsqUZi5R5MpovTZLpAWZXPVWHJQkEprcT6MVdKh3A.
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@BizPandaa @XiliangChen @AcalaNetwork @IndustryConnec7 @ShannonC_NZ @ParityTech Yeh - we're waiting on Polkadot to update the Rococo testnet with new functionality that we depend on, then will open up our demo. Hopefully in 2 - 3 weeks!.
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