Zilliqa: Pros and Cons of Deploying Smart Contracts

Zilliqa is a live EVM chain with an unusual second option: Scilla

Zilliqa is no longer just the chain that pioneered sharding. As of June 30, 2025, the production network has switched to Zilliqa 2.0, and the current roadmap stage is Agate, which means a Proof-of-Stake, EVM-compatible mainnet is live today rather than still sitting in a test phase. That matters because anyone evaluating smart contract deployment in 2026 is evaluating the current Zilliqa stack, not the older 2019 architecture that first made the network notable.

Zilliqa’s core differentiation is not simply “fast and cheap.” A lot of chains can say that. The more interesting point is that Zilliqa combines a standard EVM execution environment for Solidity developers with continued support for Scilla, its safe-by-design contract language built around explicit state transitions and amenability to formal verification. That gives teams a real architectural choice instead of a single runtime path.

From an emissions sustainability lens, Zilliqa is also one of the few chains that explicitly frames incentive design around long-run equilibrium. The Zilliqa 2.0 tokenomics material states that the network aims to reduce inflation, target zero inflation over time, and adjust staking rewards based on usage, staking ratio, fees, and reserve depletion. That is materially relevant for builders because it signals a base layer that does not want perpetual rewards divorced from economic output.

Zilliqa’s technical history matters because the network has changed in distinct stages

Zilliqa’s first major milestone was the publication of its technical whitepaper on August 10, 2017. The original design set out to solve blockchain scaling through sharding, using shard committees for parallel transaction processing and PBFT-style consensus with Schnorr multisignatures. The same whitepaper also defined a capped token supply of 21 billion ZIL and an issuance schedule intended to taper over 10 years until fees could sustain the network.

The second stage was the launch era. Zilliqa’s public testnet arrived in 2018, the mainnet launched in 2019, and smart contracts on Scilla were enabled on June 10, 2019. At that point, Zilliqa became the first public smart contract platform built on a sharded architecture, and Scilla became part of the network’s identity as a safer alternative to Solidity-style programming for certain classes of applications.

The third stage was the interoperability pivot. Zilliqa launched EVM compatibility on testnet in 2022 and on mainnet in 2023, which opened the door to Solidity contracts, MetaMask support, and more conventional Ethereum-style tooling. On January 3, 2024, mainnet v9.3.0 also introduced desharding and active reward control ahead of the deeper architectural overhaul that would become Zilliqa 2.0.

The fourth stage is the present one. Zilliqa 2.0 moved the network to Proof-of-Stake and Fast-HotStuff, and the roadmap now marks Agate as the current live phase. Importantly, some of the most ambitious features associated with the 2.0 vision, especially x-shards, are listed as coming with the subsequent Onyx mainnet upgrade rather than as fully delivered in today’s Agate stage.

What a team needs to know before deploying contracts on Zilliqa

Deploying on Zilliqa today starts with a basic architectural choice: Solidity on the EVM side or Scilla on the native side. Zilliqa 2.0 supports standard EVM tools such as VSCode, Remix, and other mainstream Ethereum development frameworks, while Neo Savant 2.0 remains the dedicated environment for creating and deploying Scilla contracts.

• Solidity deployment is straightforward by Zilliqa standards. The docs explicitly state that Zilliqa 2.0 features an EVM execution layer and can be used with standard EVM tools and frameworks, and the FAQ says developers should be able to deploy Uniswap-style contracts to EVM on Zilliqa like on any other EVM-compatible chain.
• Scilla remains the network’s highest-assurance option. The language is peer-reviewed, strongly typed, and modeled as a state-transition system, which is useful if the contract logic is security-sensitive and the team values analyzability more than maximum hiring convenience.
• Finality is fast, but it is not the old “instant finality” story. The Zilliqa 2.0 docs explain that blocks are finalized after two confirmations in the common case, and the consensus documentation puts that at roughly 5 seconds with around 2-second block times.
• Interop between Scilla and EVM exists, but it is not frictionless. Zilliqa’s own FAQ warns that sending ZRC-2 tokens to an EVM address can strand funds unless a special recovery route is used, and it explicitly warns users not to send ZRC-1 or ZRC-6 NFTs to EVM addresses for now.
• Infrastructure is present, but selective. The current ecosystem and docs highlight Chainlink Community Deployment price feeds, X-Bridge built on the network’s UCCB cross-chain broker, ZilSwap as a native DEX, and PlunderSwap as an EVM DEX. That is enough for real applications, but it means teams should map dependencies precisely instead of assuming every standard Ethereum integration exists by default.

The practical implication is simple. Zilliqa can feel familiar if you stay on the EVM side, but the moment you want to use the network’s unique features, especially Scilla or cross-runtime interop, the deployment surface becomes more specialized. That is not a deal-breaker. It is a real cost center in engineering, QA, and user support.

The strongest reasons to deploy smart contracts on Zilliqa

Zilliqa offers real EVM portability. For teams already shipping Solidity contracts, the network’s current design removes much of the original adoption friction. The EVM execution layer, MetaMask compatibility, standard Ethereum JSON-RPC support, and standard development environments mean Zilliqa no longer requires a greenfield developer onboarding path just to launch a basic contract system.

Scilla is a genuine advantage for high-assurance contracts. Most chains claim security through audits. Zilliqa also offers a contract language built specifically around safer semantics and formal methods. If you are deploying treasury logic, stateful governance, structured payouts, or application rules where failure modes matter more than composability with every Solidity library, Scilla is a real strategic option rather than a marketing extra.

The current performance profile is strong enough for mainstream app UX. With block times around 2 seconds and common-case finality around 5 seconds, Zilliqa 2.0 is operationally fast for gaming, trading, consumer apps, and tokenized communities. That matters because usability improvements at the execution layer reduce the amount of extra token incentive spending needed to compensate users for a slow or clunky product experience.

The protocol’s own incentive philosophy is healthier than many peers. Zilliqa’s whitepaper set a capped supply and an eventual fee-sustained endpoint, and the Zilliqa 2.0 tokenomics material explicitly targets lower inflation and sustainable validator rewards. For builders, that is a favorable backdrop. A chain that wants security spending tied to actual usage is generally a better foundation than one normalizing endless issuance without a path to productive demand.

Cross-chain functionality is part of the design, not only an aftermarket add-on. Zilliqa 2.0 includes the Universal Cross-Chain Broker and positions X-Bridge on top of that infrastructure. For teams that need token bridging, EVM-to-EVM messaging, or multi-chain application design, that native direction is strategically more interesting than a chain whose cross-chain story is entirely outsourced.

The main reasons not to deploy smart contracts on Zilliqa

The dual-runtime model creates real complexity. EVM plus Scilla sounds flexible, and it is. But flexibility is not free. Wallet behavior, address formats, token standards, and contract interop all become areas where teams can make mistakes that do not exist on simpler single-runtime chains. Zilliqa’s own FAQ spends substantial space warning developers about asset transfers and edge cases between the two worlds.

Some of the most ambitious Zilliqa 2.0 features are still ahead of the current mainnet stage. The roadmap marks Agate as current and places x-shards, cross-chain smart contracts, and intershard state access in the next major mainnet upgrade, Onyx. If your investment thesis depends on launching an application-specific shard immediately, the public roadmap does not yet support treating that as a live production capability.

Parts of the ecosystem still require more manual diligence than on the deepest EVM venues. Zilliqa’s developer portal labels ecosystem entries as use-at-your-own-risk unless stated otherwise, and the oracle documentation explicitly notes that Chainlink Community Deployment price feeds are not official integrations. That does not make the infrastructure unusable. It does mean integration quality and risk assumptions need to be checked contract by contract.

The tokenomics direction is unfavorable to mercenary growth models. This is a positive for the chain and a negative for certain apps. Zilliqa 2.0 aims to reduce inflation, revisits gas prices and staking rewards monthly, and frames validator compensation around sustainable equilibrium. If an application plan assumes permanent liquidity mining or long-duration emissions without durable fee generation, Zilliqa’s base-layer philosophy offers less ideological cover for that strategy than more subsidy-tolerant ecosystems. This is an inference from the protocol’s own tokenomics design, not a statement of explicit policy toward dApps.

Scilla’s strength is also its adoption constraint. A safer, more specialized language narrows the available developer pool, increases training costs, and can slow iteration for teams that mostly need standard EVM composability. For many startups, that trade-off is acceptable only when the security properties are central to the product, not incidental.

Well-known projects that show where Zilliqa has had traction

The most useful way to read Zilliqa’s project history is by category. The network has shown traction in naming, DeFi, NFTs, music infrastructure, and gaming rather than in one single dominant vertical.

When deploying on Zilliqa makes sense, and when it does not

Zilliqa is a strong candidate when a team wants EVM familiarity with an optional path into a more safety-oriented contract model, when the application benefits from a fast L1 UX, and when the project’s business model can justify itself without depending on permanent emissions. It is especially interesting for gaming, consumer apps, tokenized communities, and certain financial products where contract correctness and lower-friction UX both matter.

Zilliqa is a weaker candidate when the product depends on the deepest possible default integrations, when cross-runtime complexity would overwhelm a small engineering team, or when the application thesis assumes that future x-shard capabilities are already available on production mainnet. The roadmap makes clear that some of those higher-order capabilities belong to future upgrades, not the current Agate release.

From FinDaS Tokenomics’ perspective, this is ultimately a token economy design question before it is a chain branding question. A good deployment on Zilliqa is one where contract activity creates recurring fee demand, validator and user incentives are supported by real usage, and any token rewards accelerate genuine adoption rather than substitute for it. If a project needs endless subsidy to make the smart contracts look busy, Zilliqa’s long-run incentive posture is telling you something important: the equilibrium still is not there.

This article is part of our Choosing The Right Blockchain series.