| What it is | Layer-1 blockchain (EVM-compatible) xinfin.org | Layer-1 blockchain (extended UTXO model); ADA is its native coin cardano.org |
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| Launched | Mainnet 1 June 2019 xinfin.org | 23 September 2017 cardano.org |
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| Consensus | XDPoS 2.0: delegated proof of stake with 108 masternodes, Chained HotStuff BFT (since 30 Sep 2024) xdc.org | Ouroboros Praos (proof of stake) docs.cardano.org |
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| Block / ledger time | About 2 seconds xdc.org | About 20 seconds on average docs.cardano.org |
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| Finality | About 6 seconds (three blocks), deterministic xdc.org | Not stated by the project |
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| Smart contracts | EVM (Solidity) docs.xdc.network | Plutus (Haskell-based) cardano.org |
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| Fees | Paid in XDC. Since the Cancun upgrade (30 Jan 2026) the base fee of every transaction is burned; the tip goes to the block producer. xdc.dev | Fees go into a pot each epoch: 20% to the treasury, the rest paid as rewards to stake pools and delegators docs.cardano.org |
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| Maximum supply | None: supply is uncapped (37.5 billion XDC at genesis, plus masternode rewards) xinfin.org | 45 billion ADA cardano.org |
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| Who develops it | XinFin Fintech Pte. Ltd. (Singapore, 2017); XDC Foundation (Cayman Islands, 2021) xinfin.org | Cardano Foundation (Switzerland), with Input Output Global and Intersect cardano.org |
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| Stated focus | Trade finance, real-world asset tokenization and enterprise applications xdc.org | A public blockchain for secure, scalable applications cardano.org |
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