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SitePoint0 Hot0 bình luận14 phút đọc
Best Ethereum Payment Gateways 2026
A comparison of five Ethereum payment gateways for businesses in 2026: NOWPayments, Coinbase, CoinGate, BitPay, and Coinremitter. Each is evaluated on ETH and ERC-20 stablecoin support, fee structures, settlement speed, and business-focused features like mass payouts and e-commerce integrations. NOWPayments is ranked first for high-volume merchants needing a full-stack crypto operations platform, while Coinbase suits simple non-custodial setups, CoinGate targets EU merchants needing MiCA compliance, BitPay serves enterprise fiat settlement needs, and Coinremitter appeals to small businesses seeking low fees.
Nguồn: https://www.sitepoint.com/best-ethereum-payment-gateways. 8sync News chỉ tóm tắt và dẫn link; bản quyền nội dung thuộc tác giả và nguồn gốc.
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Coins Bench0 Hot11 phút
Shadow Contracts & The Zero-Risk Revert Trick
Shadow Contracts are unverified, fund-less smart contracts that execute atomic DeFi attacks — flash loan, manipulate, extract, repay — in a single transaction, reverting entirely if unprofitable. The key insight is how Flashbots bundles eliminated the traditional cost of failed attacks: bundles that would revert are dropped off-chain before landing on-chain, meaning failed probes burn zero gas. This 'Zero-Risk Revert' inverts the entire risk calculus — when failure is free, the optimal strategy is to probe everything, every block, infinitely. The piece explains the mechanics with Solidity and JSON-RPC examples, then outlines four defenses: model an omniscient adversary, break atomicity with commit-reveal and TWAP oracles, use batch-auction settlement to eliminate ordering advantage, and route user transactions through private relays.
