| What it is | Layer-1 blockchain (EVM-compatible) xinfin.org | Public distributed ledger (hashgraph); HBAR is its native coin docs.hedera.com |
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| Launched | Mainnet 1 June 2019 xinfin.org | Mainnet 24 August 2018; open access 16 September 2019 hedera.com |
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| Consensus | XDPoS 2.0: delegated proof of stake with 108 masternodes, Chained HotStuff BFT (since 30 Sep 2024) xdc.org | Hashgraph (proof of stake) docs.hedera.com |
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| Block / ledger time | About 2 seconds xdc.org | No blocks; about 3 seconds to consensus (stated by Hedera) hedera.com |
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| Finality | About 6 seconds (three blocks), deterministic xdc.org | Under 3 seconds (stated by Hedera) hedera.com |
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| Smart contracts | EVM (Solidity) docs.xdc.network | EVM (Solidity) through the Hedera Smart Contract Service docs.hedera.com |
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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 | Set in US dollars, paid in HBAR, and distributed to node operators, staking rewards and the treasury hedera.com |
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| Maximum supply | None: supply is uncapped (37.5 billion XDC at genesis, plus masternode rewards) xinfin.org | 50 billion HBAR, all minted at launch hedera.com |
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| Who develops it | XinFin Fintech Pte. Ltd. (Singapore, 2017); XDC Foundation (Cayman Islands, 2021) xinfin.org | Governed by the Hedera Council; code maintained as Hiero under the Linux Foundation Decentralized Trust hedera.com |
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| Stated focus | Trade finance, real-world asset tokenization and enterprise applications xdc.org | Ledger for the digital economy, governed by large institutions hedera.com |
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