In this article, I will discuss the Best Crypto Layers for Scalability — From L2 to Interoperability. As the adoption of blockchain technology expands, the need for scalability and effortless communication across different chains is paramount.
From Layer-2 solutions such as Arbitrum, Optimism, and zkSync, to interoperability protocols like LayerZero, these crypto layers minimize costs associated with transactions and foster efficiency and improved user experience within the Web3 environment.
Key Points & Best Crypto Layers for Scalability & Interoperability
| Crypto Layer | Key Points for Scalability & Interoperability |
|---|---|
| Arbitrum | Uses Optimistic Rollups to reduce gas fees and increase throughput on Ethereum. |
| Base | Built by Coinbase, offers fast transactions and low fees with strong developer support. |
| Optimism | Focuses on scalability with Optimistic Rollups and supports Ethereum-compatible dApps. |
| zkSync | Leverages Zero-Knowledge Rollups for high security and fast finality. |
| StarkNet | Uses STARK-based ZK-Rollups for scalability and privacy, ideal for complex dApps. |
| Polygon (zkEVM) | Combines Ethereum compatibility with ZK-Rollup efficiency for seamless scaling. |
| Immutable X | Tailored for NFTs, offers instant trades and zero gas fees using ZK-Rollups. |
| Linea | Developed by ConsenSys, supports Ethereum scaling with zkEVM architecture. |
| Scroll | zkEVM-based Layer 2 focused on developer-friendly tools and Ethereum compatibility. |
| LayerZero | Enables cross-chain interoperability with ultra-light nodes, connecting multiple blockchains. |
10 Best Crypto Layers for Scalability & Interoperability
1. Arbitrum
Arbitrum is an Ethereum Layer-2 scaling solution using “optimistic rollup” technology for improving transaction throughput and reducing gas costs.
Offchain Labs developed the solution, and Arbitrum executes transactions off the main Ethereum blockchain but secures it with fraud proofs.
Arbitrum offers complete EVM compatibility, allowing simple deployment of Ethereum-based smart contracts. Arbitrum Nova and Arbitrum One serve the gaming/social apps and DeFi verticals, respectively.
Because of Arbitrum’s exceptional scalability, Offchain Labs is able to support highly critical DeFi and NFT initiatives and uphold Ethereum’s transaction and gas cost dependability for reliable gaming applications.
| Feature | Description |
|---|---|
| Type | Layer-2 (Optimistic Rollup) |
| Developer | Offchain Labs |
| Technology | Optimistic rollups with fraud proofs |
| Compatibility | Fully EVM-compatible |
| Key Products | Arbitrum One (DeFi), Arbitrum Nova (Gaming/Social) |
| Transaction Speed | Up to 40,000 TPS (estimated) |
| Gas Fees | ~90% lower than Ethereum mainnet |
| Security | Inherits Ethereum’s base-layer security |
| Use Cases | DeFi, dApps, NFTs, gaming |
| Ecosystem Highlights | GMX, Uniswap, Radiate, Arbitrum DAO |
2. Base
Base is a Layer-2 network built by Coinbase using Optimism’s OP Stack. Designed to offer fast and affordable Ethereum-compatible transactions, Base seeks to onboard millions of users to Web3.
Base provides developers with a safe and inexpensive option to host decentralized apps (dApps). Base’s close integration with Coinbase’s products and fiat on-ramps positions it as a gateway between traditional finance and the blockchain world.
Using Optimism’s rollup technology, Base delivers high performance coupled with the security of Ethereum.
Base’s strong institutional endorsement, user-centric design, and developer experiences set the groundwork for Base to scale Ethereum and drive mainstream adoption of cryptocurrency.
| Feature | Description |
|---|---|
| Type | Layer-2 (Optimistic Rollup) |
| Developer | Coinbase |
| Technology | Built on the Optimism OP Stack |
| Compatibility | Fully EVM-compatible |
| Integration | Seamless with Coinbase products |
| Transaction Speed | ~10–20x faster than Ethereum |
| Gas Fees | Significantly reduced (~5–10 cents per transaction) |
| Security | Ethereum-secured via rollups |
| Use Cases | Consumer dApps, DeFi, NFTs |
| Unique Advantage | Fiat on-ramp via Coinbase ecosystem |
3. Optimism
Optimism is the first L2 scaling solution for Ethereum, which uses optimistic rollups to remain gas efficient, fast, and secure.
For Ethereum’s decentralization, the use of fraud proofs allows Ethereum’s network to not compromise on decentralization.
Being one of the more developed L2s, the ecosystem uses Optimism to expand the capabilities of several dApps and DeFi networks. The “Superchain” vision created by the Optimism Collective allows innovative cross-chain collaboration.
The Balancer and Compound ecosystem, as Optimism’s first financed public good, expands on the sustainable growth public offering of the Optimism ecosystem.
That is why Optimism is Ethereum’s first L2 giving the most value for gas, speed, and route balance.
| Feature | Description |
|---|---|
| Type | Layer-2 (Optimistic Rollup) |
| Developer | Optimism Collective |
| Technology | OP Stack with fraud proofs |
| Compatibility | Fully EVM-equivalent |
| Transaction Speed | 10–100x faster than Ethereum |
| Gas Fees | ~10x cheaper than L1 |
| Governance | Community-run via the Optimism Collective |
| Vision | “Superchain” ecosystem linking OP Stack chains |
| Use Cases | DeFi, gaming, scalable dApps |
| Ecosystem Partners | Base, Synthetix, Velodrome, Lyra |
4. zkSync
zkSync proudly presents ZK Roll Pg and ZK Roll which enables near real time and cost effective transactions on Ethereum, while safeguarding the trust on the network.
By bundling transactions off the chain and recording on the chain succinct cryptographic proofs, they achieve both scalability and verifiable correctness.
Era zkSync was designed to achieve near instantaneity with low and gas cost finality, and improved privacy. More than almost any other contract on Ethereum, They are incumbents on the network.
ZK Roll and ZK Roll Pg will gas cost on Ethereum transactions and implement privacy and anonymity. This expands zkSync privacy functionality.
| Feature | Description |
|---|---|
| Type | Layer-2 (ZK-Rollup) |
| Developer | Matter Labs |
| Technology | Zero-Knowledge proofs (ZK-SNARKs) |
| Version | zkSync Era (EVM-compatible) |
| Transaction Speed | Thousands of TPS |
| Gas Fees | ~90–95% lower than Ethereum |
| Security | Cryptographic proof-based finality |
| Use Cases | DeFi, payments, NFTs |
| Unique Strength | Near-instant settlement & privacy |
| Ecosystem Highlights | zkSync Era, zkPorter, Argent, 1inch |
5. StarkNet
StarkNet is a permissionless Ethereum Layer-2 solution developed by StarkWare that uses ZK-STARK technology. StarkNet uses on-chain cryptographic proofs to validate computations performed off-chain.
Compared to optimistic rollups, StarkNet uses zero-knowledge proofs, which means there is no lag, and security is enhanced.
StarkNet supports performance-needy applications and protocols, making it ideal for dApps, DeFi, and heavy computations like AI and gaming.
Cairo, StarkNet’s proprietary programming language, is designed for building complex decentralized applications.
StarkNet is built on strong cryptographic technology and is one of the most secure and scalable Ethereum Layer-2 ecosystems, making it a pioneer in blockchain scalability and privacy.
| Feature | Description |
|---|---|
| Type | Layer-2 (ZK-Rollup, STARK-based) |
| Developer | StarkWare |
| Technology | STARK proofs for scalability & security |
| Programming Language | Cairo |
| Transaction Speed | High throughput (thousands TPS) |
| Gas Fees | Much lower than L1 Ethereum |
| Security | Inherits Ethereum security with STARK proofs |
| Use Cases | DeFi, gaming, AI computations |
| Unique Feature | STARK proofs are post-quantum secure |
| Ecosystem Projects | dYdX (early version), Argent X, JediSwap |
6. Polygon (zkEVM)
Polygon’s zkEVM is a next-generation Layer-2 solution that integrates zero-knowledge rollups on Ethereum with complete EVM equivalence.
Developers can execute Ethereum smart contracts on Polygon zkEVM with no alterations, benefiting from lower fees and quicker transactions.
The system is a zk-rollup, meaning that it aggregates thousands of off-chain transactions and validates them on-chain using succinct proofs, all while preserving Ethereum security.
Polygon zkEVM also priorit security and interoperability, as integrated multiple chains in their ecosystem.
For dApps, DeFi, and gaming industries that need efficient, scalable, and secure execution, Polygon zkEVM is a strong base.
| Feature | Description |
|---|---|
| Type | Layer-2 (ZK-Rollup) |
| Developer | Polygon Labs |
| Technology | Zero-Knowledge proofs with full EVM equivalence |
| Compatibility | 100% Ethereum-compatible |
| Transaction Speed | 2,000+ TPS |
| Gas Fees | ~90% cheaper than Ethereum |
| Security | Ethereum-based ZK verification |
| Use Cases | DeFi, NFTs, gaming, enterprise blockchain |
| Unique Strength | Combines security + scalability + compatibility |
| Ecosystem Projects | Aave, Uniswap, QuickSwap, Lens Protocol |
7. Immutable X
Immutable X is a Layer-2 solution built specifically for NFTs and gaming and is powered by StarkWare. It enables instantaneous transactions, gas-free minting and trading NFTs while maintaining top-tier security on Ethereum.
Immutable X’s commitment to customer satisfaction and eco-friendliness is unmatched. Users engage in NFTs transactions that are carbon neutral and transaction fee-free.
Its developer-friendly APIs enable easy blockchain functionality integration into games and marketplaces without convoluted code.
Immutable X has partnered and collaborated with industry leaders and projects, such as Gods Unchained and Illuvium, allowing Immutable X to become a top-tier platform for NFT innovation. Immutable X promotes Web3 gaming and digital asset ecosystem scalability.
| Feature | Description |
|---|---|
| Type | Layer-2 (ZK-Rollup for NFTs & Gaming) |
| Developer | Immutable + StarkWare |
| Technology | STARK-based ZK-rollups |
| Focus Area | NFTs, gaming assets |
| Transaction Speed | Up to 9,000 TPS |
| Gas Fees | Zero gas for minting & trading |
| Security | Ethereum-grade through ZK proofs |
| Eco-Friendly | Carbon-neutral NFT transactions |
| Use Cases | Web3 games, NFT marketplaces |
| Ecosystem Highlights | Gods Unchained, Illuvium, Guild of Guardians |
8. Linea
As a zkEVM-based Layer-2 network, Linea expands Ethereum capacity with Consensys’ zero-knowledge rollups.
Unlike Ethereum, which is expensive and slow, Linea prioritizes cost and time efficiency, while keeping Ethereum safety and decentralization.
Through zero-knowledge line, the developers will safely and seamlessly onboard and migrate their smart contracts.
Users and developers alike will appreciate the ease of integration with MetaMask and Infura. Linea is readily accessible for Web3 experience.
Linea’s commitment to rapid dApp deployment is driven by the provision of robust developer tools and system interoperability.
Linea’s purpose is to meet the needs of Consensys clients and the growing Ethereum ecosystem by building an infrastructure that is scalable, secure, and accessible for all purpose.
| Feature | Description |
|---|---|
| Type | Layer-2 (ZK-Rollup, zkEVM) |
| Developer | Consensys |
| Technology | Zero-Knowledge proofs for Ethereum scalability |
| Compatibility | Full EVM equivalence |
| Transaction Speed | Fast confirmation times |
| Gas Fees | Significantly reduced (ZK efficiency) |
| Security | Ethereum-secured with zk-proofs |
| Developer Tools | Integrated with MetaMask, Infura |
| Use Cases | DeFi, NFTs, Web3 dApps |
| Unique Advantage | Backed by Consensys infrastructure ecosystem |
9. Scroll
Scroll is an open-source, user-friendly, secure, and scalable Layer-2 Ethereum solution. The adoption of zk-rollups prioritizes transaction efficiency with cryptographic proof verification while ensuring Ethereum’s safety.
Ethereum’s current dApps can migrate to Scroll easily due to EVM equivalence to Ethereum. Scroll ensures decentralization, driven by the concern of the ecosystem constituents.
Ethereum’s zk technology owns proof of transaction compressed and verified creation and expands Ethereum’s capacity.
Ethereum’s proof of transaction guarantee Scroll’s safety and efficiency while reducing cost, thus pivots the line of service.
High performance dApps such as NFTs, DeFi, and other dApps run seamlessly as a result of Scroll. This is a perfect fit for clients and developers.
| Feature | Description |
|---|---|
| Type | Layer-2 (ZK-Rollup, zkEVM) |
| Developer | Scroll Foundation |
| Technology | Zero-Knowledge proofs for scalability |
| Compatibility | Fully EVM-equivalent |
| Transaction Speed | Thousands of TPS |
| Gas Fees | 90% cheaper than L1 Ethereum |
| Security | Cryptographic proof-based validation |
| Governance | Community-driven open-source project |
| Use Cases | DeFi, NFTs, infrastructure dApps |
| Unique Strength | Transparency and community-first ethos |
10. LayerZero
LayerZero connects multiple blockchains to facilitate communication across different networks integrated with interoperability.
It is different from traditional bridges because it employs ultra-light nodes to sequentially and securely relay messages across chains.
It allows developers to create omnichain applications over different ecosystems, including Ethereum, BNB Chain, and Avalanche.
Instead of limiting activities to a single blockchain, LayerZero enhances scalability to facilitate distributed underlying workloads and liquidity.
Designed with security, operational dependability, and development configurability in mind, LayerZero enables scalable blockchain interoperability.
It addresses the challenges of advancing the multi-chain ecosystem and consolidating fractured Web3 to improve LayerZero Ecosystem interface.
| Feature | Description |
|---|---|
| Type | Cross-Chain Interoperability Layer |
| Developer | LayerZero Labs |
| Technology | Ultra-light nodes for message passing |
| Functionality | Enables cross-chain communication |
| Chains Supported | Ethereum, BNB, Avalanche, Arbitrum, Polygon & more |
| Speed | Instant cross-chain transfers |
| Security | Decentralized validation via Oracle & Relayer |
| Use Cases | Omnichain dApps, cross-chain swaps, bridges |
| Unique Strength | True interoperability without central bridges |
| Ecosystem Highlights | Stargate, TapiocaDAO, Radiate, SushiXSwap |
Conclusion
To sum up, the best layers for the scalability of crypto, from powerful Layer-2 rollups like Arbitrum, Optimism, and zkSync to interoperability solutions such as LayerZero, are changing the performance of blockchains for the better.
These innovations increase security, reduce gas costs, improve transaction speed, and improve performance of the growing, interoperable, and accessible Web3 to global adoption.
FAQ
Crypto layers are blockchain frameworks that enhance scalability, security, and interoperability, such as Layer-2 and cross-chain solutions.
Layer-2 solutions process transactions off-chain to reduce gas fees and increase speed while maintaining Layer-1 security.
Arbitrum uses optimistic rollups to deliver faster, cheaper Ethereum transactions without compromising security.
zkSync uses zero-knowledge proofs for ultra-fast, low-cost, and secure Ethereum scaling.
StarkNet uses STARK proofs, offering quantum-resistant security and massive scalability.
