Tabbacin Aiki, Tabbacin Hannun Hannu da Tabbacin Ƙarfi

Tabbacin Aiki, Tabbacin Rinjaye, Tabbacin Ƙarfi, Menene wancan? A cikin blockchain da aka ba, ana haɗa tubalan bisa tsarin lokaci ta yadda babu wani ma'amala da ke wanzuwa da za a taɓa canzawa ko juyawa. Fadada sarkar ba ta kai tsaye ba. Wanda ke nufin ƙara sabbin tubalan ita ce hanya ɗaya tilo don sabunta a blockchain. A cikin cibiyoyin sadarwar jama'a, kowane kumburi zai iya zama cancanci shiga cikin ƙirƙirar sabbin tubalan. Aiki ne na algorithm yarjejeniya don yanke shawara wanda nodes ya zama "masu hakar ma'adinai" ko masu inganci.

Tsarin yarjejeniya yana da mahimmanci. Yana kare tsarin daga ɓangarorin ƙeta waɗanda zasu iya karya ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙa'idodi ko yunƙurin aiwatar da ma'amaloli na karya ko matakin Rarraba Deal of Service (DDoS). Don fahimtar wannan tsarin, dole ne mu fahimci waɗannan uku: Tabbacin Aiki, Tabbacin Hannun Jari, Tabbacin Ƙarfi.

A cikin wannan labarin na nuna muku bambanci tsakanin Tabbacin Aiki, Tabbacin Hannun Jari, Tabbacin Ƙarfi. Amma da farko, a nan crypto-Jackpot horo wanda ke ba ku damar samun wadata tare da cryptocurrencies.

Bari mu tafi

Menene Hujjar Aiki ko Tabbacin aiki?

Ƙaddamarwa ya kasance mahimmin ɓangaren hangen nesa na farko na cryptocurrencies. Don cimma wannan, dole ne a nemo hanyar tabbatar da ma'amala ba tare da tsoma bakin cibiyoyin kudi ba. Magani na farko ga wannan ƙalubale an kira shi tabbacin aiki ko Tabbatar da aikin.

La Hujjar Aiki (PoW) wani nau'i ne na ƙara sabon tubalan ma'amala zuwa blockchain na cryptocurrency. Aikin, a cikin wannan yanayin, shine samar da zanta wanda yayi daidai da maƙasudin zanta don toshe na yanzu. Mai hakar ma'adinan cryptocurrency mai nasara yana samun 'yancin ƙara wannan toshe zuwa blockchain kuma ya sami lada.

Kowane cryptocurrency ya mallaki ko ya samo asali a cikin blockchain, wanda shine rajista na jama'a wanda ya ƙunshi tubalan ma'amaloli. Tare da nau'in cryptocurrencies"tabbaci-of-work", kowane toshe na ma'amaloli yana da takamaiman zanta. Don tabbatar da toshewar, mai hakar ma'adinan cryptocurrency dole ne ya samar da zanta wanda bai kai ko daidai da na toshe ba.

Don yin wannan, masu hakar ma'adinai suna amfani da na'urorin hakar ma'adinai waɗanda ke samar da lissafi da sauri. Manufar ita ce zama farkon mai hakar ma'adinai don samun zanta, saboda su ne waɗanda za su iya sabunta blockchain kuma su sami ladan cryptocurrency.

Idan tabbacin aikin yana aiki da kyau a cikin cryptocurrencies, wannan saboda yana da wahala a sami zaren da aka yi niyya, amma ba don tabbatarwa ba. Tsarin yana da wahala sosai don hana magudin bayanan ciniki. A lokaci guda, da zarar an sami zanta, yana da sauƙi ga sauran masu hakar ma'adinai su tabbatar da shi.

Misalin Tabbacin Aiki

Anan ga misalin yadda Bitcoin ke amfani da tabbacin aiki don kiyaye mutuncin blockchain ɗin sa.

Lokacin da ma'amalar Bitcoin ta faru, suna shiga ta hanyar binciken tsaro kuma ana haɗa su cikin wani shingen da za a haƙa. Algorithm na tabbatar da aikin Bitcoin sannan ya haifar da zanta don toshe. Algorithm da Bitcoin ke amfani dashi shine Bayani na SHA-256, kuma koyaushe yana haifar da hashes masu haruffa 64.

Masu hakar ma'adinai suna tsere don zama na farko don samar da zanta da ke ƙasa da toshe hash. Mai nasara zai iya ƙara toshe na ƙarshe na ma'amaloli zuwa blockchain na Bitcoin. Hakanan yana karɓar ladan bitcoin a cikin nau'in sabbin tsabar kudi da kuma kuɗin ciniki. An saita iyakar samar da bitcoin a guda miliyan 21, amma, bayan haka, masu hakar ma'adinai za su ci gaba da karɓar kuɗin ciniki don sabis ɗin su.

Algorithm na tabbatar da aikin da Bitcoin ke amfani da shi yana nufin ƙara sabon toshe kowane minti 10. Yana yin haka ta hanyar daidaita wahalar haƙar ma'adinai na bitcoin dangane da yadda masu hakar ma'adinai masu sauri ke ƙara tubalan. Idan hakar ma'adinan ya yi sauri, ƙididdige zanta ya zama mafi wahala. Idan yana tafiya a hankali, sun zama sauƙi.

Menene Prof of Stake ko Hujja ta hannun jari?

Masu haɓaka Ethereum sun fahimci da wuri cewa tabbacin-aiki zai gabatar da iyakokin iyakoki waɗanda a ƙarshe za su buƙaci a shawo kan su - kuma lalle ne, a matsayin ka'idoji don raba kudaden shiga (ko DeFi) wanda Ethereum ke amfani da shi ya girma cikin shahararsa, blockchain ya yi ƙoƙari ya ci gaba, yana haifar da ƙarin kudade.

Farfesa na Stake (PoS) ya fito a matsayin madadin PoW. Duk da nasarar farko na bitcoin, PoW ba zai iya biyan buƙatun samar da kayan aiki mafi girma ba, tare da toshewar blockchain daga baya suna buƙatar haɓaka haɓakawa da saurin ma'amala.

Bugu da ƙari, tsarin PoW ya ƙare yana buƙatar ɗimbin makamashi don ikon lissafin da masu hakar ma'adinai ke amfani da su. An fara gabatar da PoS algorithm a cikin 2011 akan Bitcointalk. Peercoin shine farkon wanda ya fara ɗaukar shi a hade tare da PoW, amma haɗin gwiwar algorithm ya bazu cikin sauri a cikin duk bambance-bambancen sa.

Ba kamar hanyoyin sadarwar PoW waɗanda ke dogara ga masu hakar ma'adinai ba, toshewar PoS masu ƙarfi ana kiyaye su ta masu inganci. Ana kiran tsarin tabbatarwa a cikin PoS "ƙirƙira“. Idan kumburi yana so ya shiga cikin tsarin ƙirƙirar toshe, duk abin da yake buƙatar yi shi ne ɗaukar alamar ɗan asalin. Babu buƙatar kashe wutar lantarki ko siyan kayan aiki na musamman.

Menene bambance-bambance tsakanin Farfesa na Aiki da Farfesa na Stake

Amfani da wutar lantarki shine ɗayan manyan bambance-bambance tsakanin hanyoyin haɗin gwiwa guda biyu. Tunda blockchains a cikin Farfesa na Stake baya buƙatar masu hakar ma'adinai su kashe wutar lantarki akan hanyoyin da ba su da yawa (gasar da za a warware wannan wasanin gwada ilimi), Farfesa na Stake yana ba da damar cibiyoyin sadarwa suyi aiki tare da ƙarancin amfani da albarkatu.

Duk hanyoyin haɗin gwiwar biyu suna da sakamakon tattalin arziƙin da ke ladabtar da rugujewar hanyar sadarwa da kuma dakile miyagu. Game da shaidar aiki, hukuncin masu hakar ma'adinai da suka gabatar da bayanan da ba su da inganci ko tubalan shine kashe wutar lantarki, kuzari, da lokaci.

Dangane da batun prof na gungumen azaba, kuɗaɗen crypto da masu haɓaka suka yi aiki a matsayin ƙarfafawar tattalin arziƙi don yin aiki cikin sha'awar hanyar sadarwar. Idan mai tabbatarwa ya karɓi wani mugun block, Wani bangare na kudaden da ya tara za a "datse" a matsayin hukunci. Adadin mai inganci za a iya rangwame ya dogara da hanyar sadarwa.

Menene Hujjar Ƙarfi?

Wanda kuma aka sani da mawaƙa, wannan ijma'i ba komai bane illa waƙa! Ana amfani da algorithm galibi a cikin blockchains masu izini kamar Hyperledger. PoET yana amfani da irin caca kamar bazuwar zaɓi don zaɓar wanne kumburi zai ci sabon toshe.

An fara amfani da PoET a Hyperledger Sawtooth a cikin 2016/2017, wanda Intel ya gabatar. THE" minors » Dole ne ya fara shiga hanyar sadarwar, samun takardar shaidar zama memba. Da zarar sun kasance a cikin hanyar sadarwa, nodes dole ne su jira wani adadin lokaci wanda aka yanke shawarar ba da gangan ba. Dole ne mai hakar ma'adinan ya jira aƙalla lokacin da aka saita kafin fara haƙa sabon toshe a cikin blockchain.

A cikin PoET, an zaɓi mai hakar ma'adinai tare da mafi ƙarancin lokaci don hana hakar ma'adinai a wannan zagaye. Tsarin yana kula da adalci kuma yana zaɓar masu hakar ma'adinai tare da kyakkyawan matsayi na bazuwar. Ba ya cinye wutar lantarki da yawa kuma masu hakar ma'adinai na iya " barci barci » yayin da suke jiran lokacinsu.

POeT ya dogara ne akan na'urori na musamman na Intel wanda ake kira SGX - Extensions Guard Software. SGX yana ba da damar rarrabuwar ma'ana ta ƙwaƙwalwar CPU wadda ba za a iya isa ga ko gyara ba. Waɗannan sassan kuma ana kiran su enclaves kuma suna iya yin keɓantattun umarni da ɓoye bayanan ƙwaƙwalwar ajiya.

Ƙunƙwasa ne kawai za su iya samun dama da gyara da aka adana a cikin wannan rukunin. An rufaffen lambar kuma ba za a iya isa gare ta a wajen ɓoye ba. Abin da ya sa ya zama amintacce don tafiyar matakai da ke faruwa a ciki.

Ƙarshe

Tsarin POeT yana haifar da lokacin jira bazuwar ga mai hakar ma'adinai, kuma mai hakar ma'adinan yana samun sa hannu mai ƙidayar lokaci daga lambar amintaccen SGX. Bayan ya jira lokacin da zai wuce, ƙaramin ya karɓi takaddun shaida cewa ya jira lokacin da ya dace. Da zarar an haƙa toshe, mai hakar ma'adinai yana watsa toshe tare da takaddun shaida. Dangane da yadda aka ƙera blockchain, mai hakar ma'adinai na iya ko ba zai sami lada don aikin ba.

Wannan shine abin da kuke buƙatar sani game da tabbatar da ma'amala da hanyoyin tabbatarwa a cikin blockchain. Amma kafin ku tafi, ga a cikakken horon jigilar kaya za ku iya saya.