Qhov twg ib credit card tooj, thiab yog vim li cas yog nws yuav tsum tau?

Qhov twg teev xov tooj ntawm ib tug credit card? Manufacturers tawm tuav nws cia li hauv qab no lub midline ntawm yas kab rov tav. Nws yuav tsum tau muab sau tseg uas yuav ua rau cov ntawv teev lus rau lub ntsuam xyuas nyiaj sector nyob rau hauv Russia yuav tsuas ob peb tuam txhab uas muag ( "Goznak", "NovaCard", "Sitronics", "Aliot", "Rosanne txog nyiaj txiag", "Orga Zelenograd"), t. Yuav kom. Zus technology heev nyuab (4 khaubncaws sab nraud povtseg, hauv paus, thov ib tug tshwj xeeb chav tsev nrog programming ntawm lub magnetic stripe, nti siv). Tab sis lub luv nqi, khoom plig, thiab lwm yam yog muaj nyob rau hauv cov pa tuam txab.

Cov nuj nqis muab zais ntaub ntawv

Yog hais tias koj saib nyob rau qhov chaw nyob rau hauv lub bank "Yas", qhov twg lub credit card tooj, koj yuav pom ib tug impressive series ntawm tus xov tooj, txhua tus uas muaj ib tug tej yam muaj nuj nqis. Piv txwv li, tus thawj lej qhia cov ceg uas muab rau hauv daim ntawv. Rau banking khoom yog sib npaug zos rau 6 (kuj haum rau cov lag luam tawm). Nyob rau cia cards "3" thawj daim duab yuav ua tau supermarkets, uas txhais tau hais tias teej tug mus rau kev lom zem teb.

Los ntawm cov nuj nqis, sawv qhov twg lub credit card number, koj yuav nrhiav tau ib lub txhab nyiaj qhia (RAU HAUV) ntawm lub credit lub koom haum, uas tso tawm "yas". Cov no yog cov thawj thawj rau qhov tseem ceeb, cov thawj ntawm cov uas tej zaum yuav qhia teej tug mus rau cov nyiaj them system (Visa, Maestro los yog MasterCard). Tug lej tom qab, pib ntawm lub xya penultimate muaj xws li cov ntaub ntawv nyob rau hauv ib lub neeg. Tej zaum yuav muaj cov lus qhia txog cov ceg, txawv teb chaws pauv, npaj thiab lwm yam nti technologies.

txheem lus

Nrhiav nyob rau lub xeem lej nyob rau hauv lub series qhov twg lub credit card number, koj yuav saib tau lub check tooj. Nws yog ib lub txiaj ntsim ntawm ib zauv algorithm tseg los ntawm kev siv lub yav dhau los cov nuj nqis. Nyob rau hauv tas li ntawd, muaj tej yam peb ua ke ntawm lub authentication card los yog txiav txim nws validity. Cov yav tas yog feem ntau ncaj qha teev raws li lub hli thiab lub xyoo, nyob rau hauv tas li ntawd, nyob rau hauv pem hauv ntej sab koj yuav saib tau lub npe thiab lub logo ntawm lub tsev txhab nyiaj, lub npe thiab lub xeem ntawm tus tswv nyob rau hauv lus Askiv, tus kos npe rau ntawm ib tug kev them nyiaj system, xov tooj ntawm bank ceg, qhov twg hauv daim ntawv twb muab, thiab lwm tus neeg. Nrog rov qab sab yog feem ntau ib tug sib nqus sawb, uas yog nyob ib sab mus rau lub cheeb tsam ntawm lub qauv yas dhos lub kos npe. Txawm tias nyob rau hauv xyoo tsis ntev los no ua kuj muaj cov ntawv teev lus, qhov twg lub kos npe yog tsis yuav tsum tau.

Qhov twg yog qhov bank card tooj, tej zaum yuav ntawm kev txaus siab rau cov neeg uas xav kom them rau nws dhau lub Internet. Txawm li cas los, ntawm no peb yuav tsum xav txog hais tias tsis muaj daim ntawv xov tooj yuav tsum nyob rau hauv tej rooj plaub, thiab lub account tooj uas txuas mus rau nws, raws li tau zoo raws li cov ntaub ntawv nyob rau hauv lub correspondent account thiab bank code ntawm tus neeg credit koom haum. Nws tau hais nyob rau hauv daim ntawv cog lus rau banking cov kev pab thiab yog (tam sim no) ntawm nees nkaum tus xov tooj. Yog li ntawd, cov lus teb tsim nyog los xav uas ib qho lus yog yuav tsum tau.

peb siv ua tib zoo

Qhov twg ib credit card tooj, uas koj siv, xav paub muaj coob tus neeg nyob rau hauv tsis huv ob txhais tes. Yog li ntawd, qhia laj mej pej xeem nws tsis nqi nws. Qhov no yog tshwj xeeb tshaj yog muaj tseeb "Visa Classic" thiab cov txheej txheem "MasterCard", uas yog haum rau suav nyob rau hauv Internet. Cov "yas" raug xam tias yog lam tau lam ua, piv txwv li. A. Thaum nqa tawm muas nrog lawv siv yog tsis ib txwm thov kev lis dej num. rau nws yog zoo dua rau lossi saib xyuas cov lus teb nrog rau cov kev pab uas tau txais SMS. Tsawg siv tau rau tsis tau tso cai kev ua yog "Maestro" cards los yog "zog" manufactured los ntawm, piv txwv li, "Savings".