zkSync Era excels at developer adoption and ecosystem momentum due to its first-mover advantage and aggressive growth initiatives. Its TVL of over $800M and integration with major protocols like Uniswap, MakerDAO, and Curve demonstrate strong network effects. The platform prioritizes a familiar EVM-compatible experience with its zkEVM, reducing migration friction for Solidity developers.
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Comparisons
zkSync vs Scroll: Ethereum App Migration
A technical comparison of zkSync Era and Scroll for CTOs and protocol architects. We analyze EVM compatibility, performance, costs, security models, and ecosystem maturity to determine the optimal ZK Rollup for your Ethereum application migration.
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introduction
THE ANALYSIS
Introduction: The ZK Rollup Migration Imperative
A data-driven comparison of zkSync and Scroll for CTOs planning an Ethereum application migration.
Scroll takes a different approach by prioritizing bytecode-level EVM equivalence and a deeply integrated, community-driven proving system. This strategy results in superior compatibility for complex, edge-case smart contracts but involves a trade-off of a more measured, security-focused rollout. Its architecture, built in close collaboration with the Ethereum Foundation, emphasizes long-term alignment with Ethereum's roadmap.
The key trade-off: If your priority is immediate ecosystem access, high liquidity, and proven tooling (Hardhat, Foundry), choose zkSync Era. If you prioritize maximal security guarantees, bytecode-level equivalence for complex dApps, and alignment with Ethereum's core development, choose Scroll. Both represent a significant leap in scalability, but the path differs.
tldr-summary
zkSync vs Scroll: Ethereum App Migration
TL;DR: Key Differentiators at a Glance
A direct comparison of the two leading ZK Rollups for migrating Ethereum applications, focusing on technical architecture, ecosystem, and operational trade-offs.
01
Choose zkSync Era for...
High-throughput consumer dApps: Native account abstraction and hyper-scalable architecture support 2,000+ TPS. This matters for mass-market applications like gaming (e.g., Pixels) and social finance where user experience is paramount.
- Key Tech: Custom zkEVM (ZK Stack) with LLVM compiler.
- Ecosystem: $1B+ in ecosystem funds, 200+ deployed dApps.
2,000+
Peak TPS
$1B+
Ecosystem Fund
02
Choose Scroll for...
Maximum EVM Equivalence & Security: Bytecode-level compatibility means near-zero migration overhead for complex protocols. This matters for DeFi primitives (e.g., Aave, Uniswap) where exact gas behavior and security audits are critical.
- Key Tech: EVM-equivalent zkEVM, open-source prover.
- Ecosystem: Focus on developer tools like Hardhat-Scroll and rigorous security reviews.
Bytecode
EVM Level
100%
Open-Source
03
zkSync Era Trade-off
Performance over Familiarity: The custom zkEVM and LLVM compiler enable optimizations but can introduce unique edge-case behaviors not found on Ethereum Mainnet. This requires additional testing and may complicate the integration of certain advanced smart contract patterns.
04
Scroll Trade-off
Fidelity over Raw Speed: The commitment to EVM equivalence can result in higher proving costs and slightly slower finality compared to more optimized VMs. This is a conscious trade-off for developers who prioritize deterministic behavior and auditability above all else.
HEAD-TO-HEAD COMPARISON FOR ETHEREUM MIGRATION
zkSync vs Scroll: Feature Matrix
Direct comparison of key technical and ecosystem metrics for developers migrating from Ethereum.
| Metric | zkSync Era | Scroll |
|---|---|---|
EVM Compatibility | Custom zkEVM (bytecode-level) | EVM-equivalent (bytecode-level) |
Time to Finality (L1) | ~15 minutes | ~12 minutes |
Avg. Transaction Cost (ETH Transfer) | $0.10 - $0.30 | $0.15 - $0.40 |
Native Account Abstraction | ||
Mainnet Launch | March 2023 | October 2023 |
Total Value Locked (TVL) | $800M+ | $200M+ |
Proving System | zk-SNARKs (Boojum) | zkEVM (zk-SNARKs) |
HEAD-TO-HEAD COMPARISON FOR ETHEREUM MIGRATION
zkSync vs Scroll: Performance & Cost Benchmarks
Direct comparison of key technical and economic metrics for developers choosing a ZK-Rollup.
| Metric | zkSync Era | Scroll |
|---|---|---|
Avg. Transaction Cost (ETH Transfer) | $0.10 - $0.30 | $0.15 - $0.40 |
Time to Finality (L1 Inclusion) | ~15 minutes | ~1-3 minutes |
EVM Bytecode Compatibility | ||
Native Account Abstraction | ||
Mainnet Launch Date | Mar 2023 | Oct 2023 |
Proving System | zkSync Era VM (ZK Stack) | zkEVM (Scroll ZK Circuit) |
Sequencer Decentralization Timeline | 2024 Roadmap | Post-2024 Roadmap |
CHOOSE YOUR PRIORITY
When to Choose: Developer & Business Scenarios
zkSync for DeFi
Verdict: The established choice for high-value, complex protocols. Strengths: Dominant TVL (>$800M) and deep liquidity pools (SyncSwap, Maverick). Battle-tested with mature developer tooling (Hardhat plugins, Block Explorer). Native Account Abstraction (AA) enables superior UX for smart contract wallets. Superior for protocols requiring custom precompiles or complex bridging logic. Considerations: Slightly higher transaction fees than Scroll, especially during peak congestion.
Scroll for DeFi
Verdict: The cost-optimized contender for fee-sensitive, high-frequency applications. Strengths: Consistently lower transaction fees due to efficient proof aggregation. EVM-equivalence simplifies migration of complex DeFi logic (e.g., yield vaults, perpetuals). Strong security narrative with open-source, audited prover. Ideal for protocols like lending (Scroll Lend) and DEX aggregators where micro-fees matter. Considerations: Smaller ecosystem and TVL (~$200M) means less native liquidity to bootstrap.
pros-cons-a
ETHEREUM APP MIGRATION
zkSync Era vs Scroll: Pros and Cons
Key technical and ecosystem differentiators for teams migrating from Ethereum L1. Data as of Q2 2024.
01
zkSync Era: Developer Experience
Matter Labs' zkEVM & LLVM Compiler: Offers a developer environment closest to Ethereum, with full EVM bytecode compatibility via LLVM. This means existing Solidity/Vyper code often works with minimal changes. Native Account Abstraction is a first-class citizen, simplifying user onboarding. This matters for teams prioritizing a fast, familiar migration path and building consumer-facing dApps.
~95%
EVM Opcode Coverage
02
zkSync Era: Ecosystem & Funding
Established Ecosystem & Major Backing: Boasts a large, mature ecosystem with protocols like Uniswap, Curve, and MakerDAO already deployed. Backed by significant venture capital, it offers robust developer grants and growth programs. This matters for projects seeking immediate liquidity, composability, and financial support for launch.
$1B+
Ecosystem TVL
03
Scroll: EVM Equivalence & Security
Bytecode-Level EVM Equivalence: Scroll's zkEVM aims for true bytecode-for-bytecode compatibility, minimizing subtle differences that can cause security risks during migration. Its close collaboration with the Ethereum Foundation emphasizes security-first design and rigorous auditing. This matters for DeFi protocols and DAOs where security and exact execution parity are non-negotiable.
04
Scroll: Decentralization & Alignment
Community-First, Open-Source Philosophy: Scroll is built as a public good with a strong focus on progressive decentralization of its prover and sequencer network. Its design is tightly aligned with Ethereum's rollup-centric roadmap. This matters for projects and communities that prioritize long-term credibly neutral infrastructure and Ethereum's core values.
05
zkSync Era: Centralization Trade-offs
Sequencer & Prover Control: The core infrastructure is currently operated by Matter Labs. While decentralization is on the roadmap, this presents a temporary trust assumption. The custom zkEVM circuit design, while innovative, is less battle-tested than more conservative approaches. This matters for teams requiring maximally decentralized security guarantees today.
06
Scroll: Pace of Innovation
Conservative Development Pace: The commitment to bytecode-level equivalence and security can result in a slower feature release cycle compared to more aggressive competitors. The ecosystem, while growing, is smaller in TVL and number of major blue-chip deployments than more established L2s. This matters for projects needing cutting-edge, non-EVM features or immediate access to the largest user bases.
pros-cons-b
PROS AND CONS
zkSync vs Scroll: Ethereum App Migration
Key technical and ecosystem differentiators for CTOs choosing a ZK Rollup for production deployment.
01
zkSync Era: Pros
Mature Ecosystem & Developer Tools: Over 200+ live DApps and $650M+ TVL. Native support for zkSync Hyperchains for custom L3s and a robust Hardhat & Foundry plugin ecosystem. This matters for teams needing immediate user traction and a battle-tested stack.
200+
Live DApps
$650M+
TVL
02
zkSync Era: Cons
Centralized Sequencer & Prover: The core sequencer and proof generation are currently operated by Matter Labs. While the roadmap includes decentralization, this presents a temporary trust assumption and potential single point of failure. This matters for protocols with strict decentralization requirements.
03
Scroll: Pros
Ethereum-Equivalent EVM & Security: Uses a bytecode-compatible zkEVM, minimizing migration bugs. Its decentralized proof network and canonical bridge with Ethereum's security model offer a more conservative, security-first architecture. This matters for DeFi protocols where correctness is paramount.
04
Scroll: Cons
Younger, Smaller Ecosystem: ~$300M TVL and fewer native tooling options compared to more established chains. The proving time can be longer, affecting time-to-finality. This matters for teams prioritizing a vast, ready-made user base and the fastest possible transaction finality.
~$300M
TVL
ZK-ROLLUP COMPARISON
Migration Pathway & Technical Considerations
A technical deep-dive into the architectural choices, developer experience, and migration trade-offs between zkSync and Scroll for teams moving dApps from Ethereum L1.
Scroll typically offers lower transaction fees for users. As a zkEVM focused on bytecode-level equivalence, Scroll's prover efficiency and lack of a centralized sequencer profit model often result in lower gas costs. zkSync Era's fees are competitive but can be slightly higher due to its custom LLVM-based compiler and different state-diff data posting model. Both are magnitudes cheaper than Ethereum L1, with average fees under $0.10.
verdict
THE ANALYSIS
Final Verdict & Decision Framework
A data-driven breakdown to guide your protocol's strategic choice between zkSync and Scroll for Ethereum L2 migration.
zkSync Era excels at developer experience and ecosystem maturity because of its first-mover advantage and aggressive growth initiatives. For example, its TVL consistently ranks among the top three ZK Rollups, and its native account abstraction via the @matterlabs-developed aa-sdk simplifies onboarding. The platform's focus on EVM compatibility, through its custom zkEVM, has attracted major DeFi protocols like Uniswap V3 and Curve, creating a robust liquidity environment for new applications.
Scroll takes a different approach by prioritizing bytecode-level EVM equivalence and open-source collaboration. This strategy results in a longer, more meticulous development cycle but yields a developer environment nearly identical to Ethereum L1, minimizing migration friction. The trade-off is a currently smaller, though rapidly growing, ecosystem. Its commitment to decentralization is evidenced by its permissionless validator set and open-source prover, appealing to teams with strong decentralization mandates.
The key trade-off is between ecosystem velocity and architectural purity. zkSync offers a feature-rich, high-TPS environment (often cited at 100+ TPS) with strong commercial backing, ideal for applications needing immediate user growth and advanced features like native account abstraction. Scroll provides a maximally compatible, credibly neutral foundation, better for protocols whose security model or technical stack demands near-perfect L1 equivalence and a trust-minimized roadmap.
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