# Trustless Scalable Smart Contracts – Edward Felten

- Channel: [Ethereum Denver](https://streameth.org/ethereum-denver)
- Date: 2020-10-09
- Duration: 28:07
- Topics: Edward Felten, Offchain Labs, ETHDenver, crypto, Ethereum, cryptocurrency, Cryptocurrency, Crypto, Blockchain, Blockchain technology, Bitcoin, Decentralized finance, DeFi, Token engineering, Hackathon, Smart Contracts, Decentralization, Privacy, Identity, Token Economics, Crypto Education, Blockchain Education, Blockchain for Good, ETHDenver BUIDLathon, ETHDenver hackathon, Ethereum Denver, ETHDenver 2020, Ethereum hackathon, Ethereum Denver hackathon, #BeABufficorn, #imapegabufficorn, Web3, Science & Technology
- Watch: https://streameth.org/watch/yt-ct30KaqYnhY
- YouTube: https://www.youtube.com/watch?v=ct30KaqYnhY

## Description

This talk is from ETHDenver, the world’s largest Web3 BUIDLathon and Community Gathering. ETHDenver’s content is crypto and blockchain focused. 

Subscribe to our channel to learn more + connect on Twitter: https://twitter.com/EthereumDenver. 

Speaker: Edward Felten of Offchain Labs

Abstract: Arbitrum Rollup is the first layer 2 scaling technology to provide trustless off-chain execution of smart contracts by optimistically moving all computation off-chain. This talk will explore how Arbitrum Rollup achieves both scalability and security as well as how you can build on Arbitrum to scale your Ethereum based application today.

This talk was recorded Friday, February 14, 2020.

ETHDenver 2020’s content themes included DeFi; DAOs and Token Engineering (TE); Gaming and Usability; Protocols and Interoperability; and Public Good and Social Impact. 

Industry experts also weighed in on topics like decentralization, privacy, identity, non-fungible tokens, scaling, governance, diversity, and arts and culture in blockchain technology.

The 2020 event was February 14-16 in Denver, Colorado and hosted 2000+ blockchain enthusiasts, developers and community members from 50 countries and 50 U.S. states.

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