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Menene ainihin abin toshewa?

Menene ainihin abin toshewa?

A ranar 31 ga Oktoba, 2008, ID ɗin da Satoshi Nakamoto ya sanya hannu ya warware wannan matsalar tare da takarda mai shafi 9 kan yadda za a biya ni a cikin hanyar sadarwa da ba a san sunan ta ba.

Yanzu mun san cewa mutum mai ban al'ajabi da aka sani da Satoshi Nakamoto da waɗancan shafuka guda tara da aka kirkira ta siririn iska kwatankwacin RMB biliyan 100 a cikin bitcoin da fasahar da ke ba ta iko, toshewa.

Ba tare da wani ɓangare na amintacce ba, babbar matsalar ita ce babu ɗayanmu da zai iya amincewa da junanmu, don haka a cikin duniyar toshewa, dole ne a watsa shirye-shiryen don kowa ya san tarihin kowane dala kowace da kowane mutum a cikin hanyar sadarwa Mutane za su tabbatar da cewa lallai wannan abin da na fada ne tare da sa hannu ta lantarki, sannan sanya canjin a cikin littafin. Wannan kundin bayanan shine toshe. Haɗa tubalan tare shine toshewa. Yana rikodin duk ma'amaloli na Bitcoin tun daga kafuwar sa zuwa yau, kuma yanzu haka akwai kusan tubala 600,000, tare da ma'amaloli dubu biyu ko uku da aka rubuta a kowane yanki, kuma kowane asusu, gami da naka da nawa, yana tuna daidai adadin kuɗin da yake da su, inda ya fito ne daga, inda aka kashe shi, kuma a bayyane yake kuma a bayyane.

A cikin hanyar sadarwar toshewa, kowa yana riƙe da littafin da yake daidai da ainihin lokacin. Ba abin mamaki ba ne, amincin littafin ya kasance ginshiƙin kuɗin waje na dijital, kuma idan littafin ba shi da tsari, babu wani kuɗin da zai yi aiki da kyau.

Amma wannan ya kawo sababbin tambayoyi guda biyu: wanene ke riƙe littattafan ga kowa? Ta yaya za ka tabbatar cewa ba a gurbata littattafan ba?

Idan kowa zai iya ajiye littafin ajiya, ma'amaloli da jerin ma'amaloli da ke cikin kowane toshe na iya zama daban, kuma idan da gangan aka shigar da bayanan karya, zai fi zama hargitsi. Ba shi yiwuwa a sami littafin da kowa ya yarda da shi.

Don haka dole ne mutumin da ke adana littattafan ya sa kowa ya yarda da su don littattafan kowa su zama iri ɗaya. Wannan kuma ana kiranta azaman hanyar yarjejeniya.

A yau akwai kowane nau'i na hanyoyin yarjejeniya daban-daban don toshe hanyoyin daban-daban, kuma maganin Satoshi shine yin matsalar. Duk wanda ya fara amsa amsar yana da ikon adana littattafan. Ana kiran wannan tsarin PoW: Tabbacin-Aiki, Tabbacin Aiki.

Yanayin hujja na yawan aiki ya cika, kuma mafi ƙarfin lissafin na'urarka tana da, mafi girman alama don gano amsar.

Don yin wannan, ana amfani da ɓoye ɓoye.

Algorithauki algorithm na SHA256 misali, kowane nau'in haruffan ɓoye tare da shi yana samar da kirtani na musamman na lambobin binar 256-bit. Idan asalin abin da aka shigar ya canza ta kowace hanya, lambar ɓoye hash za ta kasance daban.

Yanayin hujja na yawan aiki ya cika, kuma mafi ƙarfin lissafin na'urarka tana da, mafi girman alama don gano amsar.

Don yin wannan, ana amfani da ɓoye ɓoye.

Algorithauki algorithm na SHA256 misali, kowane nau'in haruffan ɓoye tare da shi yana samar da kirtani na musamman na lambobin binar 256-bit. Idan asalin abin da aka shigar ya canza ta kowace hanya, lambar ɓoye hash za ta kasance daban.

Yanayin hujja na yawan aiki ya cika, kuma mafi ƙarfin lissafin na'urarka tana da, mafi girman alama don gano amsar.

Don yin wannan, ana amfani da ɓoye ɓoye.

Algorithauki algorithm na SHA256 misali, kowane nau'in haruffan ɓoye tare da shi yana samar da kirtani na musamman na lambobin binar 256-bit. Idan asalin abin da aka shigar ya canza ta kowace hanya, lambar ɓoye hash za ta kasance daban.

Yanayin hujja na yawan aiki ya cika, kuma mafi ƙarfin lissafin na'urarka tana da, mafi girman alama don gano amsar.

Don yin wannan, ana amfani da ɓoye ɓoye.

Algorithauki algorithm na SHA256 misali, kowane nau'in haruffan ɓoye tare da shi yana samar da kirtani na musamman na lambobin binar 256-bit. Idan asalin abin da aka shigar ya canza ta kowace hanya, lambar ɓoye hash za ta kasance daban.

Yanayin hujja na yawan aiki ya cika, kuma mafi ƙarfin lissafin na'urarka tana da, mafi girman alama don gano amsar.

Don yin wannan, ana amfani da ɓoye ɓoye.

Algorithauki algorithm na SHA256 misali, kowane nau'in haruffan ɓoye tare da shi yana samar da kirtani na musamman na lambobin binar 256-bit. Idan asalin abin da aka shigar ya canza ta kowace hanya, lambar ɓoye hash za ta sha bamban sosai

Lokacin da muka buɗe wani toshi, zamu iya ganin adadin ma'amaloli da aka yi rikodin a cikin wannan toshe, bayanan ma'amala, taken kan layi da sauran bayanai.

Rubutun maƙalar lakabi ne na wani toshi wanda yake ɗauke da bayanai kamar timestamp, Merk itacen tushen hash, bazuwar lamba da kuma zantawar akwatin da ya gabata, kuma yin lissafi na SHA256 na biyu akan maƙallan maɓallin zai ba mu hash ɗin wannan toshe.

Don ci gaba da lura, dole ne ku tattara abubuwa daban-daban a cikin toshi, sannan ku canza wannan bazuwar lamba a cikin kanfan shafi don a iya yin amfani da ƙimar shigarwa don samun ƙimar zanta inda farkon n n suke 0 bayan lissafin zanta .

A zahiri akwai hanyoyi biyu kadai ga kowane lambobi: 1 da 0, saboda haka yiwuwar samun nasara ga kowane canji zuwa lambar bazuwar shine daya daga cikin na 2. Misali, idan n shine 1, ma'ana, idan dai lambar farko itace 0, to yiwuwar samun nasara shine 1 cikin 2.

Thearin ikon sarrafa kwamfuta akwai a cikin hanyar sadarwar, yawancin siffofin akwai don ƙidaya, kuma mafi wahalar aikin aiki shine tabbatarwa.

A yau, n a cikin hanyar sadarwar Bitcoin kusan 76 ne, wanda shine ƙimar nasarar 1 a ɓangarorin 76 a kowane 2, ko kusan 1 cikin tiriliyan 755.

Tare da katin zane na $ 8,000 RTX 2080Ti, wannan yana da kimanin shekaru 1407 don ƙidaya.

Gaskiya ba abu bane mai sauki ka samu lissafi daidai, amma da zarar kayi hakan, kowa zai iya tabbatarwa cikin gaggawa cewa ka samu daidai. Idan ya yi daidai, kowa zai haɗa wannan toshe zuwa littafin da zai fara tattara abubuwa a cikin toshe na gaba.

Wannan hanyar, kowa da kowa a cikin hanyar sadarwar yana da kamfani iri ɗaya, wanda yake ingantaccen lokaci.

Kuma don kiyaye kowa da kwarin gwiwa don yin ajiyar kuɗi, kumburi na farko da ya gama tattara kayan toshewa zai sami lada ta tsarin, wanda yanzu yakai bitcoins 12.5, ko kuma kusan RMB 600,000. Wannan tsari kuma ana kiransa ma'adinai.

A gefe guda kuma, don hana ɓarna da littafin, kowane sabon toshe da aka kara yana buƙatar yin rikodin ƙimar hash na toshe ɗin da ta gabata, wanda aka fi sani da maƙallan zina, a cikin taken toshewar. Irin wannan mai nuna alamar gaba zai iya nuna asalin tubalin farko, yana ɗaure dukkan tubalan tare sosai.

Idan kun canza kowane ɗayan haruffa a cikin kowane toshi, zaku canza ƙimar hash ɗin wannan toshe, ta hanyar ɓatar da maɓallin hash mai nunawa na gaba.

Don haka dole ne ku gyara alamar hash na toshe na gaba, amma wannan kuma yana shafar darajar zanta ta wannan toshe, don haka ku ma ku sake kirga lambar bazuwar, kuma bayan kun gama lissafin, to sai ku gyara toshe na gaba na wannan toshe har sai kun canza dukkan tubalan bayan wannan toshe, wanda yake da matukar wahala.

Wannan ya sa ba zai yiwu ba ga mai littafin ya ci gaba da lura da jabun koda kuwa ya so. Saboda sanya hannu ta lantarki, mai littafin ba zai iya yin karya ba daga wani zuwa ga kansa ba, kuma saboda tarihin littafin, ba zai iya canza makudan kudade daga iska ba.

Amma wannan ya haifar da wata sabuwar tambaya: idan mutane biyu suka gama lissafin a lokaci guda kuma suka shirya sabon bulo, wa ya kamata su saurara?

Amsar ita ce duk wanda ya isa ya saurare shi, kuma yanzu kowa zai iya tattara kayan bayan duka bangarorin biyu. Misali, idan farkon mutumin da ya gama lissafin a zagaye na gaba ya zabi haɗi zuwa B, to sarkar B zata fi tsayi kuma kowa zai iya haɗuwa da B shima.

A tsakanin bangarori shida na shirya kaya, galibi ana daidaita wanda ya ci nasara, kuma ana janye cinikin sarkar da aka watsar kuma aka sake mayar da shi cikin tafkin ciniki don a cika shi.

Amma tunda duk wanda yafi dadewa yana sauraren duk wanda yafi dadewa, matuqar dai zaka iya qirgawa fiye da kowa, kuma ikon qidayarka ya fi 51%, zaka iya gano sarkar mafi tsayi da kanka, sannan ka kula da littafin .

Don haka mafi girman ikon sarrafa kwamfuta na masu hakar ma'adinai a cikin duniyar Bitcoin, yawancin zeroes kowa ya ƙidaya, tabbatar da cewa babu wanda zai iya sarrafa littafin.

Amma sauran toshewar da ke cikin 'yan mahalarta ba sa tafiya yadda ya kamata, kamar su 51% hari kan kudin dijital da ake kira Bitcoin Gold a ranar 15 ga Mayu, 2018.

Maharan sun fara canzawa dala miliyan 10 na abin da suka mallaka na bitgold dinsu zuwa wata musayar, kuma wannan rikodin an yi rikodin a toshe A. Maharan sun kuma sami damar canza dala miliyan 10 na nasu bitgold din zuwa wata musaya. A lokaci guda, maharin a asirce ya shirya toshiyar B inda ba a canja wurin ba kuma ya kirga wani sabon toshe bayan toshe B .. Har ila yau maharin kuma ya shirya toshe B a asirce inda ba a canja wurin ba.

Da zarar an tabbatar da canzawa akan sarkar A, maharin zai iya cire ɗan zinaren akan musayar. Amma tunda karfin ikon sarrafa kwamfuta na maharin ya fi na dukkan hanyar sadarwa girma 51%, sarkar B zata fi tsayi nesa ba kusa da ta A ba, kuma ta hanyar sakin sarkar B mai tsayi ga dukkan hanyar sadarwar, za'a sake rubuta tarihi, sarkar B zata maye gurbin Za a cire sarkar a matsayin babbar babbar gaskiya, da kuma canzawa zuwa musayar a cikin Block A, wanda zai samarwa da maharin miliyan 10 ba komai.

A yau, hanya mafi sauki ga matsakaita mutum wanda bashi da ikon lissafi don samun kudin dijital shine saya shi akan musayar kuma cire shi zuwa adireshin jakar ku.

Wannan adireshin ya fito ne daga maɓallin keɓaɓɓen ku, wanda aka ɓoye, kuma maɓallin jama'a, wanda aka ɓoye, yana samun adireshin.

A cikin hanyar sadarwa da ba a san ta ba kamar toshewa, maɓallin keɓaɓɓe ne kawai zai iya tabbatar da cewa kai ne, kuma muddin canja wurin yana tare da sa hannu na lantarki wanda keɓaɓɓen maɓallin keɓaɓɓe ya samar, kowa na iya tabbatar da cewa canja wurin yana aiki. Don haka idan maɓallin keɓaɓɓu ya lalace, kowa na iya yin kamar shi kuma ya canja kuɗin.


Post lokaci: Sep-10-2020