Raws li cov cryptocurrency kev lag luam txuas ntxiv nthuav dav thiab dhau los ua lub hom phiaj txaus nyiam rau cov neeg nyiag nkas, Pentagon tau tshaj tawm txoj kev tshawb fawb uas tau tshawb pom qee qhov cuam tshuam txog qhov tsis zoo, piav qhia hauv daim ntawv tshaj tawm nrog.
Tseeb, tsab ntawv ceeb toom, luam tawm rau lub Rau Hli 21 thiab lub npe hu ua "Puas yog Blockchains Decentralized? Tsis xav Centralities hauv Distributed Ledgers," tau tshawb pom tias "ib pawg ntawm cov neeg tuaj koom tuaj yeem khaws ntau dhau, kev tswj hwm hauv nruab nrab ntawm tag nrho cov kab ke."
Txoj kev tshawb no, uas tsom rau Bitcoin (BTC) thiab Ethereum (ETH), tau ua los ntawm lub tuam txhab tshawb fawb kev ruaj ntseg Trail of Bits raws li kev coj ntawm Pentagon's Defense Advanced Research Projects Agency (DARPA).
Raws li tsab ntawv ceeb toom:
"Tus naj npawb ntawm cov koom haum txaus los cuam tshuam rau blockchain yog qhov tsawg: plaub rau Bitcoin, ob rau Ethereum, thiab tsawg dua kaum rau feem ntau PoS tes hauj lwm."
60% ntawm Bitcoin tsheb mus los ntawm tsuas yog 3 ISPs
Ntxiv mus, tsab ntawv ceeb toom tau hais tias "ntawm tag nrho cov tsheb khiav Bitcoin, 60% hla tsuas yog peb ISPs," xa mus rau cov chaw muab kev pabcuam hauv internet. Nyob rau sab saum toj ntawm qhov ntawd, "feem ntau ntawm Bitcoin nodes tshwm sim tsis koom nrog cov mining thiab cov neeg ua haujlwm ntawm node ntsib tsis muaj txim txhaum rau kev tsis ncaj ncees."
Raws li cov kws tshuaj ntsuam ceeb toom, "kev xa tawm qhov tshiab yuav tsum tsuas yog ib qho pheej yig huab server piv txwv - tsis muaj cov cuab yeej tshwj xeeb tsuas yog tsim nyog." Qhov no tso cai rau muaj peev xwm ua rau dej nyab lub blockchain qhov kev pom zoo network nrog cov tshiab, siab phem nodes tswj los ntawm ib tog neeg hauv qhov hu ua Sybil nres.
Cov teeb meem ntxiv muaj xws li cov txheej txheem tsis tu ncua thiab tsis tau sau cov txheej txheem thiab software, tag nrho cov uas nthuav tawm lub network rau kev tawm tsam. Raws li tsab ntawv ceeb toom piav qhia:
"Kev nyab xeeb ntawm blockchain nyob ntawm kev ruaj ntseg ntawm software thiab cov txheej txheem ntawm nws txoj kev tswj hwm kev tswj hwm lossis kev pom zoo."
Careless mining pas dej ua ke
Daim ntawv tshaj tawm kuj pom tau tias txhua lub pas dej mining nws cov kws tshuaj ntsuam tau sim "txawm hais tias muab tus password nyuaj rau txhua tus as-qhauj lossis tsuas yog tsis lees paub tus password uas tau muab thaum lub sijhawm lees paub."
Raws li ib qho piv txwv, daim ntawv tshaj tawm siv cov kev coj ua ntawm lub ntiaj teb cryptocurrency mining pas dej ua ke ViaBTC ntawm seemingly muab tus password '123' rau tag nrho nws cov nyiaj. Lwm lub tuam txhab mining, Poolin, "zoo li tsis tau lees paub cov ntaub ntawv pov thawj ntawm qhov tseeb," thaum Slushpool "qhia meej meej rau nws cov neeg siv kom tsis quav ntsej lo lus zais."
Raws li cov ntaub ntawv muaj, peb lub pas dej mining no suav txog li 25% ntawm Bitcoin hashrate.
Cybersecurity cov kws tshawb fawb feem ntau ceeb toom txog qhov muaj peev xwm crypto-txog qhov tsis muaj zog uas tuaj yeem ua rau muaj xwm txheej xws li qhov ntawd Looj tshaj tawm nyob rau hauv nruab nrab lub Plaub Hlis, nyob rau hauv uas ib tug attacker tswj nyiag ib tug neeg tag nrho cov sau ntawm cryptos thiab non-fungible tokens (NFT cov) muaj nqis tshaj $650,000 los ntawm lawv MetaMask hnab nyiaj crypto.
Tau qhov twg los: https://finbold.com/pentagon-paper-warns-of-major-vulnerabilities-in-the-bitcoin-blockchain/