The Inter-Blockchain Communication Protocol
@IBCProtocol
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IBC is a blockchain interoperability protocol used by 100+ chains. It enables secure, permissionless, feature-rich cross-chain interactions.
Joined July 2022
IBC Eureka is live β enabling fast, secure Ethereum β Cosmos bridging. IBC Eureka offers fast, affordable, 1-click transactions between Ethereum and Cosmos chains. It's also the canonical usage of the v2 of @ibcprotocol. Key product infoπ§΅.
IBC Eureka is LIVE!. β Transfers faster than Ethereum finality.β Send from Ethereum for as low as $1.β 1-click experience that supports your favorite wallet. Starting with Ethereum, @cosmoshub, @babylonlabs_io, Cosmos chains,.and soon, IBC everywhereπ§΅
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XRP is joining the IBC network π§βπ. For the first time, the @ripple community will have native access to DeFi through the XRPL chain built by @peersyst. It connects to @cosmos and EVM, unlocking liquidity and expanding interoperability. Welcome to Cosmos, XRP community π§βπ.
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Welcome @solana to the interchain. To overcome technical barriers to integrating IBC for Solana, @picasso_network built a custom solution to connect Solana to the IBC ecosystem.
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IBC 2023 Recap π₯. Highlights:.- 107 connected chains.- 124 Github contributors to main IBC repos.- 1,742 PRs merged.- Dozens of features, apps, tools.- DevX and usability improvements.- Expansion to new ecosystems. Thanks to the builders and community for advancing IBC. π§΅. 1/
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Reminder: Interoperability is a public good. The core IBC protocol never extracts value. No in-protocol rent extraction or hidden fees. The code is open-source, free to use, and rigorously peer reviewed by world-class developers. All blockchains deserve to communicate.
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The Inter-Blockchain Communication Protocol #IBC is a blockchain interoperability solution that secures $30B+ in annual asset transfers for 100+ chains. But it can be tough to understand how IBC works. @ibcprotocol aims to explain IBC for developers and researchers.
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π₯ Welcome @Cardano to the interchain. The Cardano Foundation @Cardano_CF is developing a custom IBC implementation to connect Cardano to the IBC network of 110+ chains.
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2022 β 53 IBC-enabled chains. 2023 β 107 IBC-enabled chains. 1 Year. 1 Mission. 102% Growth. #IBC
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IBC is now connected to @solana, brought to production by the team at @Picasso_Network and @ComposableFDN. They built a custom IBC solution that overcomes Solana's lack of native state proofs without requiring changes to its native architecture.
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IBC is evolving. The TLDR:.1. 10x simpler.2. 100x faster and easier to implement in smart contracts.3. Still powerful, permissionless, and neutral. Here's what's coming in IBC v2 π§΅π
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π₯³ IBC data is now available on @DefiLlama. Data showing the massive size and scale of the interchain is now at your fingertips. π€
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8000+ NFTs have been IBC transferred in 2024, powered by ICS-721, the NFT transfer module, and its Cosmwasm implementation cw-ics721. A technical walkthrough of the module and its development story, a collaborative effort between @stargazezone @irisnetwork @arkprotocol π§΅
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Dymension connects RollApps with IBC via a single IBC connection to the @Dymension Hub. Try it: Plus, they are developing eIBC middleware to enable token transfer for optimistic rollups without waiting the dispute period. π 6/.
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First IBC packet to Ethereum. Soon, IBC packets from Ethereum into Cosmos. This is how IBC Everywhere begins βοΈ.
Hello world. The first ever Hub IBC transaction to Ethereum testnet!. After many years of waiting, IBC is now connecting to every ecosystem.
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March 29, 2021: Cosmos Hub enables IBC. March 29, 2024: IBC has the largest network of interconnected chains in the world. On April 2, a special episode of #InterchainJam with @cosmos @ibcprotocol and iconic teams from across the interchain.
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$1.03b in transfers and 2.3m monthly active accounts: 30d IBC Network Stats from July - August. π₯. Let's explore the @mapofzones π. This month, 118 chains were actively connected through IBC and processed $1.03b in transaction volume. @osmosiszone drove the highest IBC volume
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The number of ecosystems connected to IBC is growing fast. π₯. β
In Production:.@cosmos.@solana.@ethereum.@polkadot. π In Development:.@0xPolygon.@avax.@bnbchain.@Optimism.@nearprotocol. All blockchains deserve to communicate.
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π New Release: ibc-rs v0.52.0. Includes useful enhancements like better client handling and easier creation of CosmWasm contracts. Features and enhancements π§΅
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IBC is expansive. Chains connect directly to one another. There's no transaction routing through a hub chain. Peer-to-peer connections open up endless possibilities for blockchain interoperability. Check out IBC transaction flows from the perspective of @osmosiszone.
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IBC lets blockchains communicate peer-to-peer. There's no third-party intermediary with a set of admin keys. No multisig wallet. No liquidity pool. Just 24/7 permissionless data-sharing. Because all blockchains deserve to communicate.
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The IBC protocol extracts no fees from users, and never will. Instead, relayers pay the gas fees for key stages of the IBC packet lifecycle, ensuring network liveness. Is this model sustainable?. 𧡠on the changing fee landscape, featuring work by @Osmosiszone @skipprotocol.
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New Release: ibc-go v10. ibc-go v10 brings the official v2 of IBC Protocol. It's the biggest upgrade to IBC since its launch in 2021: simpler, more flexible, and easier to implement across ecosystems βοΈ. Let's break it down π§΅π
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30 day IBC metrics. $3.9Bn volume. 520k monthly active users. 8.2M cross-chain transfers. #IBC #interchain
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Rollups require secure and flexible interoperability infrastructure. What's best for that?. IBC π€ Rollups. A highlight thread on innovative rollup teams leveraging IBC. 1/
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As IBC enters its third year, we look to the future. IBC's vision is to become the TCP/IP for blockchains. The protocol will evolve along two strategic pathways: expansion and usability. Upcoming protocol and ecosystem development milestones π§΅
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$627M IBC volume in 7 days. $2.1B in 30 days. #IBC.
Total IBC volume over the last 7 days $627M π. Here are some of the zones with the highest IBC volumes π. Data from:
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2024 is the year for IBC to expand to new ecosystems. Ibc-go is used by 100+ chains, and ibc-rs and ibc-solidity are growing in adoption. Multiple IBC implementations gives developers flexibility to build with IBC for versatile use cases. A quick walkthroughπ§΅
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Smart contracts and modules are now IBC-enabled with the recent release of Callbacks Middleware v0.1.0. Evmos @EvmosOrg is using the middleware to aggregate complex multichain actions into a single step, so their users never leave the Evmos front end. Technical case study π§΅
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π₯ New Release: ibc-go v8.1 with IBC Channel Upgradability. β Upgrade existing IBC channels to use new features/apps like fee middleware.β Use Interchain Accounts with unordered channels.β Prune stale acknowledgements to reduce disk overhead
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2.2 million users transfer tokens 5.7 million times over IBC in a 30-day period. Here are the top 6 things to know about IBC. π
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Traditional finance institutions demand best-in-class interoperability to bring RWAs on-chain. IBC-based solutions are battle-tested and offer top-tier security. A showcase of teams bringing IBC to traditional finance. π€
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IBC Milestone π. @tokifinance @datachain_en developed an IBC-enabled cross-chain infrastructure that has been adopted by the largest financial institutions in Japan. The first step: Bank-backed stablecoins on ETH and BNB Chain testnets. π§΅
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IBC Protocol May stats. IBC processed $1.15 billion USD in volume and 6,884,000 token transfers last month. More interchain data π§΅
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$2.7Bn USD has been lost in bridge hacks. π±. βοΈ @BanklessHQ calculation as of August 2023. Is IBC exposed to hacking risk? While it's never wise to say anything is bullet-proof, IBC's design does not have the points of failure that hackers often target in bridges. A π§΅
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April 2, 2021: The first IBC transfer takes place between @cosmoshub and @irisnet. April 2, 2024: 113 chains are IBC-enabled. They perform complex cross-chain interactions using dozens of features & apps. Milestone highlights from the last 3 years of IBC. π§΅
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Redefine what's possible cross-chain, enabled by adaptable workflows with the IBC Callbacks Middleware. 𧲠Smart contracts and modules can receive callbacks from IBC apps.π‘ Endless possibilities for "Send X, do Y programmatically".β‘ 3+ step user flows β 1 transaction
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The Eureka proposal introduces IBC v2 to the Cosmos Hub, enabling the first native Ethereum <> @cosmos connection over IBC. The proposal is live, make your vote count βοΈ β€΅οΈ.
1/ Gaia v23: IBC Eureka & the Bridge to Ethereum. This proposal by Interchain Labs requests permission to deploy software upgrade Gaia v23 to the Hub β including an upgrade to IBC v2, in preparation for the release of IBC Eureka. The voting period is now open!
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π₯ New Release: 08-Wasm Client Module. Use a Wasm VM to host light clients as bytecode:. β Write light clients in languages that compile to Wasm (Rust, C/C++, JS, Go, etc.).β Streamlined addition of new light clients.β Easily instantiate clients for non-@CometBFT consensus
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π₯ New Release: ibc-go v9.0.0 with ICS-20 token transfers v2. New features: multi-token transfers within a single packet and native packet forwarding/unwinding. These new features improve UX, increase composability between chains, and unlock new use cases.
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Whatβs next for IBC?. IBC's vision is to be the TCP/IP for blockchains. To get there, IBC will develop along two strategic pathways: expansion and usability. Expansion: connecting to more ecosystems. Usability: better DevX and feature-rich cross-chain workflows. π§΅on 2024.
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Rollups can connect to the IBC network of 113 chains.π₯. Explore the future of IBC's expansion to rollups with IBC Product Lead @susevans, @dymension's @0xOmri and @rollkitdev's @0xnavage on X Spaces. π
March 25, 12 PM UTC.π Set reminder:
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The Inter-Blockchain Communication Protocol (IBC) and Chainlink's CCIP are both general-purpose message-passing interoperability protocols. On the blog, IBC Protocol analyst @adi_r_r provides an in-depth technical perspective on the differences between the two protocols.
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IBC v2 is here. And with it, a refreshed site, updated to reflect the protocol, the vision, and the builders shaping the IBC ecosystem βοΈ. Take a look π
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We're thrilled to announce the winners of the Ideahackerβs Guide to IBC Ideathon! π₯³. 319 hackers submitted 207 ideas to the ideathon. Find out who the champions are and read about their ideas π
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Swift + @tokifinance + IBC = cross-border stablecoin transfers for Japan's largest banks and enterprises.
1/ TOKI and Progmat have initiated Project Pax!. Project Paxβs platform utilizes Swift's existing API framework for banks and @tokifinance's cross-chain infrastructure leveraging IBC. The goal is to enable cross-border stablecoin transfers for enterprises, powered by #IBC
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The Q2 2024 Contributor Showcase winner is @valardragon, co-founder and core contributor to @osmosiszone. Dev has contributed to the IBC Protocol for years. In Q2 2024, he provided two contributions that significantly improved IBCβs performance and scalability.
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π Introducing the judges for the IBC Ideathon, Ideahackerβs Guide to IBC π. The Ideathon features a spectacular lineup of judges, all experts in their fields and leaders in the multi-billion dollar IBC and Solana ecosystems. Meet the judgesπ
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π₯ Two big tech updates for IBC this week. Did you know? IBC has a global community of development teams working on the protocol, implementations, middleware, apps, testing frameworks, and more. This week, 2 teams released major updates π§΅.
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120+ Chains, 50+ Wallets, One IBC.
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Light clients are the superpower enabling IBCβs rich cross-chain interactions. Plus, they provide robust security by enabling a blockchain to verify transactions on another chain. More on IBC light clients π§΅. 1/
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A new era of IBC begins. π₯. Skip's products have vastly improved the IBC developer experience. Now, those builders are bringing their expertise to @interchain_io. IBCπ€ @SkipProtocol.
βοΈ A new Cosmos awaits: expansion. Welcome @SkipProtocol to the @interchain_io, joining as Interchain Inc, the new main subsidiary of the ICF β join us in starting a new chapter:. The Cosmos, Hub, and Stack β as one.
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Introducing the ibc-apps repo maintained by @strangelovelabs π€. Ibc-apps is a hub for high-quality IBC applications built by diverse teams who power interchain IBC. It offers a one-stop shop for discovering non-core IBC modules and middleware.
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2 years ago, the launch of Interchain Accounts enabled blockchains to manage accounts cross-chain for the first time. Since then, 60+ chains have enabled ICA account host or controller functionality. 𧡠on use cases from @stride_zone @NolusProtocol and @TimewaveLabs.
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IBC v2, IBC Eureka is coming. π₯. It will bring a native ETH connection, faster connections to new VMs, and a better experience for developers. Get the alpha from IBC team member Adi Ravi Raj π.
why i'm excited about IBC Eureka (v2 of the @IBCProtocol):.
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Verifying IBC light client proofs on Ethereum is expensive. Thankfully, ZK proofs offer a scalable solution that reduces the cost. The IBC team at @interchain_io built a proof-of-concept for an EVM Tendermint Light Client using @succinctlabs SP1.
SP1 is live and ready for production use. Our blazing fast zkVM enables any developer to create real-world ZKP applications by simply writing Rust. Let's make ZKPs MAINSTREAM.
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Builders, entrepreneurs, and big thinkers: Ideahacker's Guide to IBC is your invitation to define the future of cross-chain. Learn more about the IBC ideathon π.
Announcing the first-ever IBC Ideathon: Ideahacker's Guide to #IBC. πAn online event for builders, entrepreneurs, and big thinkers powered by @interchain_io. ποΈOctober 7 - 27.β
$30,000 prize pool. πΉπ· Best ideahackers win an all-expenses-paid trip to IBC Incubator Istanbul 2025!
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.@tokifinance and @succinctlabs's ZK-IBC solution deliver IBC's speed and security at an affordable gas cost. π. Developed for an enterprise TradFi use case, this client is an open-source solution for ZK-IBC interoperability between the @cosmos interchain and @ethereum.
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In 2024, IBC will expand to new ecosystems. One of the targets is the OP Stack, a framework built by @optimism, Ethereum's second-largest rollup. But how do you port a well-defined interoperability protocol to the OP Stack framework?. A preview into architecture π§΅. 1/.
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Noble built a module that lets CEX users withdraw USDC to any IBC-enabled chain in 1 click. When supported by CEXs, it will power fast + seamless USDC flow from accounts on CEXs like @binance, @okx , @krakenfx, or @kucoincom to ANY of the 118 chains in the interchain. ποΈ.
5/ So how does forwarding bring about a 1 CLICK experience?. Instead of having to withdraw to Noble, then manually send USDC to a destination chain using IBC, a forwarding account on Noble does it for you automatically. Either a CEX or the user registers this forwarding accountπ
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The largest network of interoperable chains.
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π IBC quietly turned 4 on April 2. Today we celebrate the protocol that redefined interoperability. Hereβs what happened in this last year π§΅βοΈ
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IBC has over 115 connected chains. Hereβs a monthly snapshot highlighting the top 10 β¬οΈ
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π New Release for Interchaintest: v8.1.0. Interchaintest now supports Ethereum and Polkadot. Teams can now reliably test their IBC implementations for these ecosystems, facilitating IBC expansion π₯. Additional functionality improves DevEx for Cosmos SDK users, too. π§΅.
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2.4M π₯. The number of IBC packets transferred by relayers between the top 28 IBC-enabled chains, January 2024. IBC relayers ensure the network's liveness. Get to know what relayers do and how to get started relaying in this mega threadπ§΅
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XRPL EVM is now testing IBC connections βοΈ. Cosmos assets unlocked and XRP will move freely across Cosmos chains. for the first time ever. XRPL EVM testnet is now connected to @cosmoshub, @osmosiszone, and @elys_network. More connections coming soon as mainnet approaches.
π― The XRPL EVM Testnet is expanding it's interoperability with @IBCProtocol!. π You can now access to all @Cosmos assets on the XRPL EVM. $XRP can also be accessed from any Cosmos chain. β
Testnet channels available for @cosmoshub @osmosiszone @elys_network. Coming π
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Join us for an π Space with @cyberadair of @abstractSDK, @d_argunov of @dropdotmoney, and @simon_warta of @confio_tech on cutting-edge use cases for CosmWasm and IBC. ποΈ September 9th, 1PM CEST.π
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"We want interoperability to be straightforward, accessible, and extensible, without value capture by the protocol, and not controlled by one entity or person who benefits from interoperability as-a-service." - IBC Product Lead, Susannah Evans, on Ethereum scaling and #rollups
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Connect to a network of 110+ chains in any language that compiles to Wasm with the Wasm Client module. β‘ Launch clients for new consensus models.π Add more clients without a chain upgrade.β»οΈ Streamline development and use your preferred programming language, like Rust.
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π₯ New Release: ibc-rs v0.50. --> Added ICS-721 for cross-chain NFT transfers.--> Added ICS-08 wasm client: use a wasmVM to host light clients as bytecode; deploy contracts that connect to compatible ibc-go chains.--> Improved usability for ibc-primitives and ibc-testkit crates
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1 day left to submit for the IBC Ideathon, Ideahacker's Guide to IBC. 240 ideahackers registered. 90+ BUIDLs submitted. Will yours be the one to earn the $3,000 first place track prize and an all-expenses-paid trip to incubate your idea in Istanbul?
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Build network-wide workflows with data queries and cross-chain account control. @stride_zone powers its natively interoperable liquid staking product through IBC for $100M+ in TVL.
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$8Bn USD was locked in the 43 largest interoperability protocols as of October 2024. IBC has the largest number of chains connected at 117. The 2024 Cross-Chain Interoperability Report by the IBC team at @interchain_io explains these insights and more. π§΅
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IBCβs reference implementation, IBC-Go has never had an exploit. The majority of IBC-enabled chains use this implementation. This is because IBC's light client-based interoperability lets chains verify transactions peer-to-peer for a more secure system.
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Hi @zcash , heard you're interested in connecting to the IBC network. Let's chat π€.
It turns out @zcash is moving to a hybrid PoW/PoS model & undergoing a complete upgrade of the protocol. Talented Rust cryptography engineers should consider applying!. PS theyβre considering IBC for future cross chain interop π
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Announcing the IBC Protocol Contributor Showcase winner for Q1 2024: @0xbonlulu. Ben Luelo is a Founding Engineer at @union_build working on their relayer implementation. He opened a comprehensive Github issue to generalize the ICS-02 Client module.
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Blockworks @Blockworks_ featured the 2024 Cross-Chain Interoperability Report in their @0xResearch newsletter. Check it out:
$8Bn USD was locked in the 43 largest interoperability protocols as of October 2024. IBC has the largest number of chains connected at 117. The 2024 Cross-Chain Interoperability Report by the IBC team at @interchain_io explains these insights and more. π§΅
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v2 of ICS-20 token transfers is live now. It significantly improves UX for builders and end users. @cosmos summarizes these benefits in the X article below.
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Build breakthrough cross-chain applications powered by a best-in-class modular feature set. π₯Endless product possibilities with flexible middleware. π¦Ύ Read data & control accounts for network-wide workflows. π₯ Bundle multiple cross-chain messages --> 1 transaction.
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6.7 million: the number of token transfers verified by IBC light clients in the last 30 days. Light clients enable direct data transfer between chains. They make IBC interoperability fault-tolerant. π§΅on IBC's light-client-based security model.
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Want to win the IBC Ideathon? A quick guide + video. π. 1οΈβ£ Focus on novel use cases. A winning idea would create value, solve a significant problem, and appeal to a specific user group. Empower people with novel solutions to real-world problems.
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π£ IBC Developers: Solana IBC Deep Diveπ£. Join the June IBC developer call for an architecture walkthrough by @composableFDN of @picasso_network's @solana AVS for IBC. π
June 11, 5PM CET.π Hop into the Google Group for call link:
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New IBC website ββββββββββββββββββββ 75%.
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The Interchain Stack powers 115+ interconnected chains, and its permissionless nature means it'salways growing. Learn about the evolution of the Stack and how IBC fits in π.
1/ With 110+ chains connected via IBC, the Cosmos vision of an internet of blockchains is a reality. This new paradigm marks a new chapter in blockchain evolution: The Interchain Stack - an extension of the Cosmos Stack adapted to its groundbreaking achievement: the #interchain
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Join the Opening Ceremony for the IBC Ideathon, Ideahackerβs Guide to IBC. Featuring @interchain_io CMO @qxnico, Community of Practice Product Lead Karmel Elshinnawi, and DevEx lead @OllieGilbey on opportunities to grow & build in the interchain. πOctober 7, 1:30PM UTC
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Then: Using a bridge to send tokens. Now: Using a permissionless protocol with 111 chains to perform limitless cross-chain interactions.
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Cardano's IBC implementation uses their smart contract platform, Aiken, and Cardano ecosystem dev tools in Go and Typescript. It uses Mithril by @IOHKMedia for the threshold-based signatures and state proofs required for a native IBC connection.
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The search for the interchain's best IBC Ideahacker begins now. Will it be you?.
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Big upgrades to IBC's website are live.π₯. β
Real-time network data is now front and centre. β
Complete chain ecosystem visible right from the homepage. β
Clean, modern UI that's easier to navigate. Visit now: Highlights π
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What's next for IBC?. Eureka!. Townhall. March 13, 9 AM EDT. Live on @cosmos β¬οΈ.
IBC Eureka is almost here. Townhall with @0xMagmar, @BPIV400, @qxnico, @susevans, and @noamwithveto. We're talking:.β What's next for @IBCProtocol.β The vision for @cosmoshub as a coordination layer.β . and more. March 13, 9 AM EDT. Streaming on Cosmos.
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DevEx matters. @RangeSecurity is making it easy to track IBC v2 and Eureka from day one across their explorer, SDKs, and APIs. IBC v2 is coming. Your tools are ready βοΈ.
1/Β IBC Eureka is launching on the Cosmos Hub β and Range is ready. Weβre supporting both IBC v2 and IBC Eureka transactions across all products from Day 1, including:. β IBC Explorer. β Cross-Chain Explorer. β Range Platform. β APIs & SDKs. More π
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4/ IBC v2 integrates with @SuccinctLabs Processor SP1, a zkVM that runs a Rust-based Tendermint light client. It makes IBC connections to Ethereum affordable. Sending tokens from Ethereum to Cosmos?.Now possible as low as ~$0.97 in gas per transaction.
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New Release: Interchaintest and local-interchain v8.7.0 π. v8.7.0 is packed with expanded e2e testing capabilities. New networks:. β
UTXO chains: @bitcoin @litecoin @dogecoin.β
Geth binary support for @ethereum @BNBCHAIN.β
Interchain: @thorchain @penumbrazone
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Are you ready for IBC everywhere?. Check out the latest roadmap from @interchain_io. TL;DR IBC Eureka is launching at the end of Q1 '25 βοΈ.
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Transactions for the v2 of the Inter-Blockchain Communication Protocol are now live on Mintscan by @CosmostationVD. Developers can now inspect v2 message flow directly on-chain. See an example ‡οΈ.
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The ibc-go documentation now features an LLM. This AI-powered tool is designed to answer development-related queries about using IBC, ibc-go, and the Hermes and Go relayers. Talk to the bot at
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