# Tanner Moore I Cross chain Swaps and Beyond with 1inch I ETHGlobal Prague 2025

- Channel: [ETHGlobal](https://streameth.org/ethglobal)
- Date: 2025-10-09
- Duration: 26:58
- Topics: 1inch, cross-chain swaps, Fusion Plus, HTLC, hash time-lock contracts, intent-based trading, Dutch auction, AMM aggregation, liquidity optimization, gasless transactions, resolvers, Ethereum, Base, Solana, EVM, non-EVM, DeFi, SDK, TypeScript, Golang, API integration, developer portal, bounty, ETHGlobal Prague, Tanner Moore, limit orders, price impact, slippage, multi-chain, blockchain interoperability
- Watch: https://streameth.org/watch/yt-fSEaZmbt3K0
- YouTube: https://www.youtube.com/watch?v=fSEaZmbt3K0

## Description

Discover how to build cross-chain swaps with 1inch Fusion Plus in this ETHGlobal Prague 2025 workshop led by Tanner Moore (Developer Relations, 1inch). Learn about 1inch Classic Swap (AMM/PMM aggregation), Fusion (intent-based gasless swaps), and Fusion Plus (cross-chain HTLC implementation). Includes live demos, API/SDK integration guides, and bounty details for non-EVM chain extensions. Perfect for DeFi developers exploring liquidity aggregation, hash time-lock contracts (HTLCs), and gasless cross-chain transactions.

00:00 - Introduction to 1inch: History & Market Dominance
00:42 - Classic Swap: Multi-DEX Aggregation & Gas Optimization
02:09 - Fusion: Intent-Based Swaps & Dutch Auctions
04:24 - Resolvers & Asynchronous Liquidity Sourcing
05:23 - Fusion Swap Walkthrough (USDC to DAI Example)
06:44 - Fusion Plus: Cross-Chain Swaps with HTLCs
08:29 - HTLC Deep Dive: Secret Hashing & Contract Escrow
09:27 - Cross-Chain Swap Demo (Ethereum to Base)
11:07 - Relayer Role & Transaction Finalization
12:40 - Non-EVM Chain Support (Solana, Bitcoin Lightning)
13:09 - Developer Portal: API Keys & Documentation
14:05 - 1inch SDKs (TypeScript, Golang) & Frontend Proxies
15:20 - Lightweight API Proxy Demo (Vercel)
15:45 - Additional APIs: Token/NFT Metadata, Price Feeds
16:16 - Bounties: Non-EVM HTLCs & Limit Order Protocol
18:05 - Q&A: Testnet Support, Partial Fills, Resolver Roles
22:52 - Solana Integration & Hackathon Token Grants
25:22 - Mainnet Forking vs. Live Testing

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🇨🇿 *ETHGlobal Prague*
This workshop is specifically for ETHGlobal Prague, a 3-day hackathon held May 30 - June 1 2025, bringing together the most skilled web3 developers, designers and product builders from all around the globe for a weekend-long adventure to advance the Ethereum ecosystem! Watch the full ETHGlobal Prague 2025 playlist here: https://youtube.com/playlist?list=PLXzKMXK2aHh5Vv-ZobDU2YMWekDFYvOqd&si=SoQ5O2TOAK8RkYf-

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Website: https://ethglobal.com
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_Are you interested in Ethereum development and entrepreneurship?_
👉 Sign up for the next ETHGlobal event: https://ethglobal.com/events
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