Cartesi

Cartesi (CTSI) is a Layer 2 blockchain protocol launched via IEO on Binance Launchpad on April 23, 2020, co-founded by Augusto Teixeira (Brazil-based mathematician), Diego Nehab, Colin Steil, and Erick de Moura, that allows developers to write smart contract logic using the full Linux software stack (including Python, C++, SQLite, TensorFlow, and other arbitrary software libraries) inside an off-chain Cartesi Machine (a RISC-V-based deterministic virtual machine) while using an on-chain optimistic rollup dispute mechanism to verify correctness — freeing developers from the constraints of EVM bytecode and Solidity for compute-intensive applications.


Stat Value
Ticker CTSI
Price $0.04
Market Cap $38.58M
24h Change +35.9%
Circulating Supply 910.37M CTSI
Max Supply 1.00B CTSI
All-Time High $1.74
Contract (Ethereum) 0x4916...6b5d
Contract (Base) 0x259f...8d45
Contract (Polygon Pos) 0x2727...7b7b
Contract (Binance Smart Chain) 0x8da4...3ef2
Contract (Arbitrum One) 0x319f...6999
Contract (Optimistic Ethereum) 0xec6a...95bf
Contract (Avalanche) 0x6b28...f552

via ChangeNow · T&CsPrice data from CoinGecko as of 2026-04-16. Not financial advice.

How It Works

  1. Cartesi Machine — A deterministic RISC-V emulator that runs a full Linux OS environment off-chain. Smart contract logic runs inside this Linux environment, meaning developers can use any software tool or library that runs on Linux, including Python scripts, databases, machine learning models, etc.
  2. Optimistic Roll-ups — Results from Cartesi Machine computations are posted to Ethereum (or other target chains) in an optimistic manner: challengers can dispute incorrect results by running the same computation on-chain using a verification game (similar to Arbitrum’s dispute resolution). If no dispute arises within the challenge period, the result is accepted.
  3. Rollups architecture — Cartesi Rollups is the developer-facing framework for building “DApps” where the back-end runs in the Cartesi Machine and the front-end can be a standard web app connecting to Ethereum. Users interact with the DApp through Ethereum (deposits, withdrawals, on-chain queries) while computation-heavy operations happen off-chain.
  4. Node staking — CTSI is staked by node operators who participate in the Proof of Stake protocol securing Cartesi’s consensus (Noether, Cartesi’s sidechain for data availability). Staked CTSI earns inflationary block rewards.
  5. Multi-chain support — While Cartesi initially targeted Ethereum, the Cartesi Rollups framework is designed to be chain-agnostic and has been deployed on Polygon, BSC, Arbitrum, Optimism, and other EVM-compatible networks.

Tokenomics

Parameter Value
Ticker CTSI
Contract (ETH) 0x491604c0FDF08347Dd1fa4Ee062a822A5DD06B5D
Chain Ethereum ERC-20 (primary)
Max Supply 1,000,000,000 CTSI (1 billion)
IEO Launch April 23, 2020 (Binance Launchpad)
Staking Required for Cartesi node operators

Use Cases

  • Linux-based smart contracts — Build complex dApp logic using standard software tools (Python, R, SQLite, etc.) rather than Solidity.
  • Compute-intensive DApps — Games, AI, simulations, data processing logic that exceeds EVM computational limits.
  • Node operation — Stake CTSI to participate in Noether proof-of-stake and earn block rewards.
  • Multi-chain execution — Deploy Cartesi computation across multiple EVM chains.

History

  • 2017 — Cartesi founded in Rio de Janeiro, Brazil. Founded by mathematicians and computer scientists focused on the theoretical problem of off-chain computation verification.
  • 2020-04-23 — CTSI IEO on Binance Launchpad. Token distributes to Binance users. CTSI lists on Binance.
  • 2020-09 — Cartesi mainnet launches (Noether sidechain for data availability). CTSI staking begins.
  • 2021 — Cartesi Rollups v1 framework publishes, enabling the first Cartesi-based DApps. Several proof-of-concept games and applications deploy. Bull market drives CTSI price appreciation.
  • 2021-2022 — Developer documentation and tooling improve. Cartesi participates in hackathons (ETH Global, etc.) attracting developers. Bug bounty programs launch.
  • 2022 — Cartesi Rollups deploys on Polygon, BSC, Avalanche, and other chains. Multi-chain strategy formalized. Bear market reduces CTSI price significantly.
  • 2023 — Cartesi Rollups v2 architecture improvements. The project focuses on developer experience: simplified node deployment, better APIs, and clearer documentation. More DApp use cases emerge.
  • 2024 — Cartesi positions itself in the “beyond EVM” narrative. As rollup ecosystems mature and developers seek more powerful computation environments, Cartesi’s Linux VM model gains incremental developer adoption.

Common Misconceptions

“Cartesi is just another Ethereum L2 like Arbitrum.”

Cartesi and Arbitrum both use off-chain computation + on-chain dispute resolution, but their architectures differ fundamentally. Arbitrum executes EVM-compatible transactions off-chain and disputes at the EVM bytecode level. Cartesi runs full Linux application logic off-chain and disputes at the RISC-V instruction level. Cartesi enables software complexity that EVM-based rollups cannot — developers can use entire software ecosystems from Linux, not just Solidity/EVM tools.

“Cartesi’s Linux environment means it’s insecure or unverifiable.”

The Cartesi Machine is a deterministic RISC-V emulator with reproducible state transitions. Given the same inputs, it will always produce the same output. This determinism is what enables the on-chain dispute verification — a challenger can replay the exact same computation step-by-step using the on-chain dispute game to prove a computation was incorrect.


Social Media Sentiment

Cartesi attracts developers and researchers interested in pushing past EVM limitations. The ability to write smart contract logic in Python or use SQLite databases on-chain is technically appealing for games and complex applications. However, the developer community is still relatively small. Cartesi’s approach is more complex to deploy than traditional Solidity/Hardhat development, which slows adoption. The team’s academic rigor (founded by mathematicians) is respected. CTSI price has experienced deep decline from 2021 peaks alongside most alt-L2 tokens.

Last updated: 2026-04

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