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ZKSyncValidiumOptimismPolygonHarmony...
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Compute ModelZincVM (restricted ops)Cairo (restricted ops)OVM (recompile needed)100% EVM100% EVM
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Trust ModelData on Ethereum, PLONK setup
Data on 7-member committee, STARKs
Collusion-resistant, Single sequencer
Commit chain, 5-multisig upgrade
Data on 67% Harmony, On-chain slashing
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Finality on Ethereum
10 mins + 6 mins3 mins + 6 mins1 week7 mins + 34 mins (3 hours)2 secs + 6 mins
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Bridging Fees
Prover + 510k gas + 400 gas per tx
2m gas per 150 tx21k gas per tx + nuisance gas295k gas per tx400 gas per tx w/ BLS checkpoints
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Economics SecurityNone for validity proofsSingle operator
Zero-cost attacks, capital efficiency mass exit
$2.8b staked w/ 110 validators$700m staked w/ 109 open pools
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Bridge LaunchJun 2020 & Aug 2021Jun 2020Jan 2021 & Jun 2021Sep 2020Oct 2020 & Jun 2021
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EcosystemCurve, Argent, ZKSwapDeversifi, Immutable, dYdX, StarkwareSynthetix, UniswapAave, Sushi, Curve
Sushi, Binance/Polkadot/Bitcoin Bridges
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