Polkadot's decentralized nyiaj txiag (DeFi) hub Acala raug kev puas tsuaj loj rau nws lub pas dej ua ke tshiab rau hnub Sunday. Qhov kev siv dag zog tso cai rau tus neeg nyiag ua rau mint ntau dua 1.2 billion aUSD, qhov project ruaj khov.
Tsis ntev tom qab lub hack, pab pawg Acala tau hloov kho cov neeg siv ntawm Twitter, sau tseg tias qhov kev siv tau los ntawm "kev teeb tsa tsis raug ntawm iBTC / aUSD lub pas dej ua ke." Lub misconfiguration tau tam sim no tau kho, raws li qhov project.
Peb tau txheeb xyuas qhov teeb meem raws li kev teeb tsa tsis raug ntawm iBTC / aUSD lub pas dej ua kua dej (uas tau nyob ua ntej hnub no) uas ua rau muaj qhov yuam kev mints ntawm ib qho tseem ceeb ntawm aUSD
1/— Acala (@AcalaNetwork) Lub yim hli ntuj 14, 2022
Acala Suspends On-chain Activities
Onchain cov ntaub ntawv qhia tias feem ntau ntawm cov minted stabilitycoins tseem nyob hauv tus account Acala. Tus neeg tawm tsam swapped ib feem me me ntawm cov nyiaj npib ruaj khov rau Acala's haiv neeg token ACA thiab plaub lwm tokens. Thaum lub sijhawm sau ntawv, tus account tau tuav txog $ 1.27 billion tus nqi ntawm USD, sawv cev ntau dua 99% ntawm minted tokens.
Thaum lub zej zog Acala tseem tsis tau txiav txim siab zaum kawg ntawm kev siv dag zog, pab pawg tau sau tseg tias nws tau tshem tawm cov nyiaj koom nrog los ntawm kev hloov cov tokens.
Raws li qhov project, cov haujlwm ntawm cov saw hlau xws li kev sib pauv thiab kev sib txuas lus sib txuas kuj tau raug tso tseg rau lwm tus neeg siv kom txog thaum muaj kev ceeb toom ntxiv. Cov txheej txheem tau sau tseg tias nws cov oracle pallet kuj raug ncua, yog li cov neeg siv tsis tas yuav txhawj xeeb txog kev yuam kom tshem tawm.
Meanwhile, aUSD, the thawj stabilitycoin ntawm Polkadot, reacted tsis zoo rau qhov xwm txheej thiab poob nws USD parity. Tom qab poob los ntawm yuav luag 50% rau tus nqi lag luam ntawm $ 0.57, cov nyiaj ruaj khov pauv ntawm $ 0.89 ntawm lub sijhawm xovxwm.
Acala's Attack Tej zaum Tsis Yog Qhov Kawg
Txawm hais tias Acala tau kho qhov yuam kev hauv nws lub pas dej, Qhov xwm txheej ntxiv rau tus lej ntawm cov ntawv thov kev ncaj ncees (dApps) uas tau poob raug tsim txom rau cov neeg nyiag nkas uas ib txwm saib xyuas cov kab mob ntse rau kev siv.
Victor Young, tus tsim ntawm Analog, txheej-0, pov thawj-ntawm-lub sij hawm (PoT)-raws li qhov project, tau tawm tswv yim rau Acala hack, sau tseg tias Polkadot yog "kev ruaj ntseg los ntawm kev tsim" vim nws txoj hlua txuas, tab sis tib yam tsis tuaj yeem. yuav hais txog parachains
Nws tau hais tias xws li kev siv dApp tuaj yeem tshwm sim yav tom ntej yog tias cov neeg tsim ntawv cog lus ntse tsis tshawb xyuas lawv cov lej.
"Hauv kuv qhov kev xav, peb tseem yuav pom ntau qhov kev tawm tsam no vim tias ntau tus neeg tsim khoom dApp tsis muab tso rau hauv txoj haujlwm thaum txiav txim siab lawv cov cai kev nyab xeeb. Txawm hais tias daim ntawv cog lus ntse raug tshuaj xyuas, cov cai yuav tsis ua kom tsis muaj tseeb. Hauv qhov no, cov neeg tsim khoom thiab cov kws tshaj lij QA yuav tsum tau soj ntsuam tas li kom ntseeg tau tias txoj cai ua tiav nws lub hom phiaj, "nws hais.
Binance Dawb $ 100 (Tswj): Siv cov ntawv txuas no mus rau npe thiab tau txais $ 100 pub dawb thiab 10% tawm tus nqi ntawm Binance Futures thawj lub hlis (cov ntsiab lus uas).
PrimeXBT Kev Tshwj Xeeb: Siv cov ntawv txuas no sau npe & sau POTATO50 code kom tau txais txog li $ 7,000 ntawm koj cov nyiaj tso cia.
Tau qhov twg los: https://cryptopotato.com/over-1-2-billion-ausd-minted-in-an-exploit-of-polkadots-defi-hub-acala/