Building on Scroll

Welcome to the Scroll developer documentation!

Scroll is its own Layer 2 network built on Ethereum (more specifically, a “zero knowledge rollup”).

If you’re experienced in building on Ethereum, your code, dependencies, and tooling work with Scroll out of the box. This is possible because our network is compatible with EVM bytecode and designed to feel just like developing on Ethereum.

Getting Started

Looking to build on the Scroll?

Why Build on Scroll?

Throughput — Scroll creates more secure blockspace for Ethereum.

ZK Rollups allow for more activity on the network, minimizing congestion. By inheriting the security of Ethereum, which verifies the behavior of the network using zero knowledge proofs, Scroll can process more transactions without compromising on decentralization.

Cost — Scroll saves users gas fees.

On Ethereum, competition for blockspace results in higher costs per transaction, as each transaction makes a bid to be included in the next block. Scroll leverages recent breakthroughs in zero knowledge proofs and hardware acceleration to vastly increase secure blockspace and minimize transaction costs for users.

Speed — Scroll delivers feedback to users, faster.

After the merge, Ethereum blocks reliably confirm every 12 seconds. Scroll blocks are minted every 3 seconds, and for the sake of lower-risk operations, transactions can be assumed to be final once included in a block. This opens up new possibilities for on-chain interaction in social and gaming applications.

Alignment — Scroll builds on Ethereum’s vision.

Scroll builds on Ethereum’s vision. Our ethos is to build Ethereum, not to splinter it. Decentralization, permissionlessness, censorship-resistance, and community ownership are the core of what we do and the roadmap we’re building. We believe in open-source software, and we work closely with the Ethereum Foundation’s Privacy and Scaling Explorations team to support their work on a zkEVM that might someday be the heart of Ethereum.

We also work with governance DAOs and other open-source protocols to make sure that as applications are deployed, we’re working to grow their impact — whether that be in public goods, core infrastructure, or the next generation of zero knowledge use cases.

Community — Scroll brings together users and builders.

We know the challenges of building in the open and getting user engagement! Scroll has a blossoming community of users and builders, and with a Discord community of over 500,000 members eager to try out applications on our testnet or mainnet, we’re excited to connect builders with users that can provide real-world feedback.

Thank you for building with us.

We’re working to bring more integrations and support infrastructure to the network, and are excitedly working towards our Mainnet release.

Join our growing developer community. You can find us on Discord, join our discussion forum, or follow our progress on Twitter.

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© Version 1.0.0 Scroll Ltd 2023