Biconomy

A new cross-chain workflow enables users to execute complex DeFi operations across two blockchains with a single signature. **How it works:** - User signs once to authorize the entire process - Origin chain batch unwinds lending position and creates an intent - Solver bridges funds between chains - Destination chain batch waits for funds, verifies amount, and supplies to yield farm **Technical stack:** - **ERC-7964** handles signature authorization - **ERC-8211** encodes chain-specific steps with live values and conditions - **Open Intents Framework** manages cross-chain liquidity movement The system eliminates manual intervention between steps, automating what previously required multiple transactions and constant monitoring. Users initiate complex multi-chain strategies without touching anything after the initial signature.

A new approach to cross-chain transactions eliminates hardcoded values in favor of **dynamic resolution**. Instead of specifying exact amounts like "supply 487 USDC," each step now resolves values in real-time based on what actually arrives. Key features: - Steps carry their own conditions and can wait for prerequisites - Destination batches gate on fund arrival confirmation - Relayers only submit once conditions are met - **No glue contract needed** - ERC-8211 reads state directly, not the bridge - Compatible with Open Intents Framework or other underlying layers The system stacks into a single flow: one ERC-7964 signature authorizes the plan, ERC-8211 encodes each chain's steps with live values and conditions, and the Open Intents Framework handles liquidity movement while destination batches wait before continuing.

The **Open Intents Framework** addresses fragmented cross-chain liquidity through an open-source, solver-agnostic standard. **How it works:** - Users sign an intent and lock funds on the origin chain - Competing EVM solvers front the funds on the destination chain - A proof releases locked funds to reimburse the solver The framework enables complex cross-chain operations—like unwinding a lending position, bridging funds, and supplying to a yield farm—through a single intent. Learn more at [openintents.xyz](https://openintents.xyz)

**ERC-8211** addresses a critical gap in cross-chain operations: the inability to write scripts when you don't know exact amounts until execution. **The Problem:** - Bridge transactions create uncertainty - you can't predict final amounts before execution - Supply steps can't fire until funds actually arrive - Traditional scripts require hardcoded values **The Solution:** ERC-8211 enables dynamic value resolution: - Steps resolve values live ("supply whatever just arrived" vs "supply 487 USDC") - Built-in conditions allow steps to wait for confirmation - Destination batches gate on "have funds landed?" - Relayers submit only when conditions are met - No glue contracts needed - reads state directly, not the bridge - Works with OIF or any underlying layer Learn more at [erc8211.com](https://www.erc8211.com)

**ERC-7964** introduces cross-chain signature capability for EVM transactions. Traditional EVM signatures authorize execution on only one chain at a time. This creates friction when actions need to span multiple chains. The new standard allows developers to: - Encode multiple calls across different chains into a single EIP-712 object - Sign the entire array once - Execute the complete cross-chain workflow with that one signature This removes the need for separate signatures on each chain, streamlining multi-chain operations. [Read the full EIP specification](https://eips.ethereum.org/EIPS/eip-7964)

Biconomy and the Ethereum Foundation's Improve UX team have developed **ERC-8211**, an account-centric execution standard that enables complex cross-chain operations. **Key Components:** - **ERC-8211**: Account-centric execution standard - **Open Intents Framework**: Coordination layer for cross-chain operations - **ERC-7964 signatures**: Secure authorization mechanism The combination allows developers to encode and users to execute arbitrarily complex cross-chain scripts, addressing long-standing user experience challenges in multi-chain environments. This builds on Biconomy's previous work co-authoring ERC-7683, a cross-chain intents standard now integrated into the Open Intents Framework. The initiative represents a collaborative approach to unifying the Ethereum ecosystem through standardized protocols.

A new Ethereum standard called **ERC 8211** (Smart Batching) has been released through a collaboration with the Ethereum Foundation. The proposal has generated significant interest from the community since its launch. A video explainer is available that breaks down the technical details and use cases of Smart Batching. **Key points:** - Co-developed with the Ethereum Foundation - Aims to improve transaction efficiency through batching - Community response has been positive with strong engagement The standard represents a step forward in optimizing Ethereum operations.

**Biconomy approaches milestone with 928,158 active smart accounts** The platform reports a **39.10% activity ratio** - meaning nearly 4 out of 10 deployed accounts show sustained usage rather than one-time deployments. **Key metrics:** - 928,158 accounts with ongoing activity - 1,034,846 dormant accounts (used once) - Focus on engagement over vanity deployment numbers This data suggests **lasting value delivery** in the smart account ecosystem, distinguishing between accounts that are merely deployed versus those actively used by developers and users. The milestone reflects growing adoption of account abstraction infrastructure in web3 applications.

**OverHerd leverages Biconomy Nexus to create seamless Web2-like experience** while running on Web3 infrastructure, paying over 500,000 users for content creation. **Key features enabling mass adoption:** - Gasless transactions eliminate user friction - Multi-chain support across Sei, Base, and Worldcoin - Zero blockchain knowledge required from users - Infrastructure remains completely invisible to end users This case study demonstrates how **account abstraction can bridge the gap** between Web2 user experience and Web3 functionality, allowing platforms to reward users without exposing blockchain complexity. The implementation shows practical Web3 adoption where users earn rewards through familiar interfaces while benefiting from decentralized infrastructure behind the scenes.

**AI agents face execution challenges** when handling complex blockchain operations across multiple chains. A simple yield optimization request creates significant complexity: - **5+ separate transactions** required - **Multiple gas tokens** needed - **Partial execution risks** emerge - **Chain-specific error handling** complications **Biconomy's Supertransaction API** addresses these issues by bundling operations that AI agents shouldn't handle directly: - Gas management automation - Retry mechanisms - Failure handling - Settlement coordination **Key benefit**: One signature executes complete multi-chain workflows. If any step fails, the entire transaction reverts cleanly. This solution transforms months of custom protocol integrations into a single API call, enabling developers to build functional AI agents in days rather than weeks. [Learn more in the documentation](https://docs.biconomy.io/supertransaction-api)