Zilliqa (ZIL) is a layer-1 public blockchain that launched its mainnet on January 31, 2019, and was one of the first blockchain platforms to implement network sharding — dividing the network into parallel processing groups (shards) where transactions can be processed simultaneously, achieving linearly scalable throughput as the validator count grows. Zilliqa uses a hybrid consensus: miners (PoW) elect shard committee membership, while intra-shard consensus uses pBFT (practical Byzantine Fault Tolerance). Zilliqa introduced Scilla (Safe-by-Design Smart Contract Language), a domain-specific language designed to prevent smart contract vulnerabilities by construction.
| Stat | Value |
|---|---|
| Ticker | ZIL |
| Price | $0.00 |
| Market Cap | $78.24M |
| 24h Change | +2.7% |
| Circulating Supply | 19.51B ZIL |
| Max Supply | 21.00B ZIL |
| All-Time High | $0.26 |
| Contract (Binance Smart Chain) | 0xb86a...c787 |
How It Works
- Network sharding — Zilliqa divides its validator set into multiple shards (groups). Each shard processes a subset of transactions in parallel. The DS (Directory Service) committee — a special shard — coordinates the overall network.
- PoW for shard assignment — Validators perform a PoW puzzle to join the network and get assigned to a shard. This prevents Sybil attacks (creating many fake identities) without requiring large validator stakes, though it consumes energy.
- pBFT consensus within shards — Transactions within each shard are finalized using practical Byzantine Fault Tolerance, providing fast finality within each shard.
- Scilla smart contracts — Zilliqa’s native smart contract language is Scilla (Safe-by-Design Intermediate-Level Language). Scilla is a functional language with formal verification properties intended to eliminate entire classes of smart contract bugs (e.g., reentrancy). EVM compatibility was later added.
- EVM compatibility — Zilliqa added EVM-compatible smart contract execution (Ethereum tooling works alongside Scilla).
- Staking — ZIL holders can stake tokens with validators to earn ZIL staking rewards.
Tokenomics
| Parameter | Value |
|---|---|
| Ticker | ZIL |
| Max Supply | ~21,000,000,000 (21 billion ZIL) |
| Initial Supply | ~12.6 billion (at mainnet launch) |
| Consensus | Hybrid PoW + pBFT + PoS |
| Launch | January 31, 2019 (mainnet); ICO June 2017 |
| Block time | ~45 seconds per TX block (DS epoch ~2–3 min) |
| Staking | Available via ZILStaking portal |
Use Cases
- Decentralized applications — Smart contracts via Scilla or EVM-compatible layer.
- Gaming and virtual world — Zilliqa’s “Metapolis” and gaming ecosystem.
- DeFi — ZilSwap DEX and DeFi protocols on Zilliqa.
- Staking — Delegate ZIL to validators for passive rewards.
- NFTs — Zilliqa has an NFT ecosystem (ZilWatch, Arky, etc.).
History
- 2017 — Zilliqa founded by Amrit Kumar and Prateek Saxena (National University of Singapore researchers). ICO raises ~$22 million in BTC (June 2017). Research on sharding published.
- 2017 — ERC-20 ZIL token issued on Ethereum as placeholder.
- 2018 — Test networks and Zilliqa testnet launch. ZIL listed on exchanges.
- 2019-01-31 — Zilliqa mainnet launches. Swap from ERC-20 ZIL to native ZIL.
- 2019 — Scilla smart contracts launched on mainnet. First sharded public blockchain in production.
- 2020 — ZILHive ecosystem fund established for developer grants. ZilSwap DEX launches.
- 2021 — ZIL reaches all-time high of approximately $0.255 in May 2021. NFT activity grows on Zilliqa. Zilliqa NFT marketplace launches.
- 2021 — Partnership with FIFA for NFT collectibles announced.
- 2022-09 — EVM (Ethereum Virtual Machine) compatibility added, allowing Solidity smart contracts and Ethereum tooling on Zilliqa.
- 2023 — Zilliqa 2.0 roadmap announced with deeper protocol changes, targeting improved performance and developer experience.
- 2024 — Zilliqa 2.0 testnet launches. Continued ecosystem development. ZIL remains in top 150 assets by market cap.
Common Misconceptions
“Sharding solved blockchain scaling — why isn’t Zilliqa dominant?”
Sharding solved parallel transaction processing — Zilliqa achieved its promised TPS. However, smart contract sharding (where a single contract program must execute across shards) remains a hard problem, and Zilliqa’s approach requires specific architectural constraints. Ethereum’s L2 ecosystem and alternative L1s captured much developer and user attention.
“Scilla prevents all smart contract bugs.”
Scilla’s design eliminates certain vulnerability classes through formal semantics, but it doesn’t guarantee freedom from all logical errors. Additionally, developer familiarity with Solidity vs. Scilla has been a barrier to adoption.
Social Media Sentiment
Zilliqa has a strong research-credentialed background (NUS academics) and was respected as a technical innovator in sharding. However, developer adoption of Scilla has been limited. The addition of EVM compatibility was seen as pragmatic. Market cap and developer activity have declined relative to Ethereum ecosystem competitors, though Zilliqa 2.0 in 2024 attracted renewed interest from its core community.
Last updated: 2026-04