Cov tswv lag luam hauv pas dej ua ke (SPOs) hauv Cardano (ADA), raws li tus co-founder ntawm adahandle thiab tus neeg teb xov tooj ntawm Blade Pool, ib qho ntawm SundaeSwap's Scoopers, tuaj yeem cuam tshuam kev txiav txim siab hauv blockchain's Mempool thiab yog li ua qhov tseem ceeb rau qee yam kev lag luam.
Raws li cov lus teb rau tweet uas tau tshaj tawm thaum Lub Kaum Hli 16 los ntawm $conread, uas tau thov tias nws tau sim thiab ua pov thawj tias SPOs tuaj yeem, hauv nws qhov xwm txheej tshwj xeeb, "tsis kam lees txais cov khoom lag luam los ntawm txhua tus phooj ywg thiab tsuas yog lees txais lawv los ntawm DEXs tshwj xeeb, piv txwv li, uas tuaj yeem them tus nqi rau kuv. Yog tias kuv minting cov blocks txaus, kuv tuaj yeem muab qhov kev pabcuam no. "
Pom tau tias, qhov no tuaj yeem siv los tsis lees paub ib tus neeg siv nyiaj txiag vim tias muaj npe dub AdaHandle, raws li $conrad.
Kev ua lag luam Cardano
Cardano yog tsim los ntawm kev ua lag luam kev lag luam hauv kev lag luam uas tuaj yeem ua tiav raws li cov nqi xa khoom tau npaj them. Ntawm Cardano, tus neeg siv tsim kev lag luam ntawm lawv cov neeg siv khoom Cardano software, uas yog tom qab ntawd nthuav tawm rau tag nrho lwm cov nodes thiab ua ib feem ntawm blockchain. Qhov no tau tshaj tawm tias yog qhov tsis zoo, ua rau nws muaj peev xwm tawm tsam vector uas ua rau tus nqi tswj hwm.
cov Ntawv pov thawj-of-Ceg Txheem Ntseeg (PoS) network tau siv qhov kev cog lus ntse nyob rau sab saum toj ntawm thawj-los, ua ntej-kev pabcuam kev lag luam ua haujlwm. Lub kaw lus tau pib ua haujlwm thaum lub Cuaj Hlis 2021 nrog Alonzo nyuaj diav rawg.
Ua tau rau SPOs los thaiv kev lag luam
Tus co-founder ntawm adahandle taw qhia tias tsis muaj kev txhais cov ntsiab lus ntawm seb puas los yog tsis teeb meem ntawm Yam tsawg kawg nkaus Extractable Value (MEV), uas plagues Ethereum (ETH) thiab account-based blockchains, yog ua tiav nrog Cardano. Tus tsim tawm tau lees paub tias nws yog qhov ua tau tiag tiag rau SPOs los thaiv qee qhov kev lag luam thiab ua ntej lwm tus, uas tuaj yeem nthuav qhia cov teeb meem rau cov haujlwm, tshwj xeeb DEXES, uas tam sim no ua haujlwm lossis npaj yuav xa tawm hauv lub network.
DEXes, xws li SundaeSwap, yuav tsum nyob ntawm cov saw hlau tawm vim yog Cardano tus qauv tsim tshwj xeeb. SundaeSwap ntiav Scooper nodes, lub luag haujlwm rau "tsim thiab xa cov kev sib pauv uas ua rau ntau qhov kev sib pauv tawm tsam. cov tshuab lag luam tshuab ua lag luam (AMM)” rov qab rau tus nqi ADA. Scooper node cov tswv lag luam tau ntseeg siab thiab muaj lub zog ua haujlwm hauv qhov txiaj ntsig zoo tshaj plaws ntawm SundaeSwap thiab cov zej zog Cardano DeFi burgeoning.
Raws li ib tus neeg tawm tswv yim, qhov tsis muaj ntaub ntawv yuav yog vim Cardano qhov kev cai ntawm qhov tsis muaj peev xwm no. Txhawm rau txhim kho seb SPOs ua txhaum cai rau Cardano thawj zaug, tsim ua ntej, ib tus yuav tsum tau saib xyuas Mempool thiab tshem tawm cov nodes uas yuav cuam tshuam rau kev siv dag zog.
Disclaimer: Cov ntsiab lus ntawm lub xaib no yuav tsum tsis txhob suav hais tias yog cov lus qhia txog kev nqis peev. Kev nqis peev yog speculative. Thaum kev nqis peev, koj cov peev nyiaj muaj kev pheej hmoo.
Tau qhov twg los: https://finbold.com/cardano-bug-reportedly-allows-nodes-to-illegally-manipulate-transaction-orders/