Write in Rust, C, or AssemblyScript. Compile to WebAssembly. Deploy on-chain. With autonomous triggers, your contracts execute on schedule — no keepers, no cron, no third party.
Systems-level performance with memory safety. The gold standard for WASM contracts.
RecommendedTypeScript-like syntax — easy onboarding for web developers. Compiles directly to WASM.
Easy StartMaximum performance for compute-intensive workloads. Legacy system integration.
High PerformanceNot a toy VM — a production-grade compiled runtime with native confidential compute.
Orders of magnitude faster than EVM interpreted bytecode. WebAssembly compiles to near-native speed — real performance for real workloads.
10–100x vs EVMMemory-safe, no host filesystem access, deterministic results on every node. Full isolation guarantees — your contract cannot escape its sandbox.
DeterministicDeploy new contract versions via your Transaction Chain — no proxy patterns, no migration scripts. The old version is replaced atomically.
Zero DowntimeCall OpenFHE directly from your contract for confidential compute. Encrypt, compute, decrypt — all within the WASM runtime.
ConfidentialContracts that execute themselves — on schedule, on event, on condition. No Chainlink Keepers. No Gelato. No cron jobs.
On Ethereum, you need third-party services (Chainlink Keepers, Gelato) to trigger smart contracts — extra cost, extra dependency, extra failure point. On ATSHI, triggers are native to the protocol, evaluated at consensus level. Your contracts are truly autonomous.
Execute at a specific date, one-time or recurring. Schedule a token unlock for January 1st, a quarterly dividend distribution, a daily rebalancing — all defined in the contract itself.
SchedulePeriodic execution every N blocks or N minutes. A health-check contract that runs every 5 minutes. A rebalancer that executes every 100 blocks. Set it and forget it.
PeriodicReact to external data feeds — price changes, weather data, API responses. When ETH drops below $3,000, execute the hedge. When temperature exceeds 40°C, trigger the insurance payout.
External DataExecute in response to on-chain events — token transfers, contract calls, threshold reached. When a wallet receives more than 10,000 ATSHI, auto-stake. When supply chain alerts fire, notify.
Chain EventsRust, C, AssemblyScript, Go — use the language your team knows. No Solidity lock-in.
10-100x faster than EVM interpreted bytecode. Real performance for real workloads.
Built-in triggers — no Chainlink Keepers, no Gelato, no third-party dependency.
Deploy new versions via transaction chain. No proxy patterns, no migration scripts.
Call FHE host functions directly — compute on encrypted data from your contract.
~1-2 KB bytecode on-chain. Minimal storage cost, fast deployment.
| Feature | Solidity (EVM) | CosmWasm | Solana (BPF) | ATSHI WASM |
|---|---|---|---|---|
| Languages | Solidity only | Rust | Rust | Rust, C, AS, Go |
| Runtime | Interpreted | WASM | eBPF | Compiled WASM |
| Autonomous triggers | No (needs Keepers) | No | No (needs Clockwork) | Native (4 types) |
| Hot-upgrade | Proxy hack | Migration | No | Native |
| FHE host functions | No | No | No | OpenFHE native |
| Sandboxing | Limited | Full | Full | Full WASM |
Open the Playground, pick your language, and deploy to testnet in minutes. No setup, no boilerplate — just code.