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Kaevandamine
Kauplemine
Altcoinid
Joonas Trussmann
joonas@applaud.ee
"Hello, world!0" => 1312af178c253f84028d480a…
"Hello, world!1" => e9afc424b79e4f6ab42d99c8…
"Hello, world!2" => ae37343a357a8297591625e…
...
"Hello, world!4248" => 6e110d98b388e77e9c6f0…
"Hello, world!4249" => c004190b822f1669cac8d…
"Hello, world!4250" => 0000c3af42fc31103f1fdc…
SHA256
Tsentraliseeritud
• Ghash.io
• Slush’s pool
• BTC Guild
• Eclipse Mining Consortium
• Eligius
• Polmine
• Fiat raha
• Altcoinid
• Väärtmetallid
• Väärtpaberid
280+
Namecoin
$2.17
Litecoin
$10.62
Dogecoin
$0.00456
Aitäh
Joonas Trussmann
joonas@applaud.ee
Joonas Trussmann - Kaevandamine, kauplemine, altcoinid

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Joonas Trussmann - Kaevandamine, kauplemine, altcoinid

Editor's Notes

  1. Tere. NaguHendrikmainissiisminunimi on JoonasningpõhiliselttegelenmobiiliäppideloomisegakoosApplaudimeeskonnaga.MeieportfooliossekuuluvadnäiteksDigiDoc, Pargi.ee, MinuTV, Delfining ERR. ViimanesuuremtöövõitoliEuroparlemendivalimistekshäälekontrollrakendusteloomine.Bitcoinidegapuutusinesimestkordakokku 2011 aastal, kuihakkasinneidomakodujatööarvutite peal kaevandama. Tolhetkelmaksisüks BTC 1-3 dollariringisningkohtikus BTC eestmidagiostasaiolimaailmasehk 2-3. Vahepealpraktilinehuvivaibus, kuidhoidsinpingsaltkõigilkrüptorahademaailmastoimuvatelarengutelsilma peal. Umbesaastatagasinägimemeeskonnaga, et aeg on küpsningBitcoinid (võivähemaltselleprotokollilbaseeruvadkrüptorahad) on siin et jääda. Otsustasime et see on rong, millestkindlastimahaeitahajääda, kunateguvõibmõneti olla samasuurerevolutsioonigakui TCP/IP. Lõimesaksamaaletehnilisemusklitreenimiseksühekaevandusbasseinininghakkasimeväljaarendamaomarahakotiteenust, misolekstugevaltintegreeritudEestidigitaalseidentiteediga. Kuiäppideloominevõisiinmailtehtavwalletiteenushuvipakub, siiskindlastiräägimeisikus. Aga nüüdteemajuurde.Rääginteiletänabitcoinidekaevandamisest, nendegajanendeabilkauplemisestningpisutkaaltcoinidest.
  2. Kaevandamine. Mis see on jakuidas see käib?Tegelikult on kaevandaminevõiingliskeeles mining natukepetliknimi. Selleasemel et ammutadakuskiltmaapõuestmingitolemasolevatressursi, on bitcoinikaevandaminetegelikulthoopissamaaegseltbitcoinivõrgustoimuvatetehingutekinnitamine, mille eestsaabnii-öeldateenustasu.
  3. Nagu juba kuulsimesiisBitcoinivõrgusei ole olemasühteabsoluutseltautoriteeti, vaidkõikotsused, ehkuuteblockkidelisamineblockchaini, tehakse 51% võrgusosalistenõusolekul. Kuidasagausaldadasedaotsust?See probleem on juba antiigiajastteadakuibütsantsikindraliteprobleem. Kuidassaatakorrektseidhajuvaltedastatavaidjuhiseidkõigileomategevusesolevateleväejuhtidelenii, et vähemusesolevadreeturideisaakssõnumitrikkudaustavatejärgijatejaoks.Kuna võrgugaühinemine on ainultloetudklikkidekauguselning me ei tea kunagi, kasvõimemõndakonkreetsetosalistusaldada, siiseipiisavaidenamusekokkulugemisest.Mängutuleb proof of work ehktehtudtöötõendus. 51% võrguosalisteasemellasemeotsustada 51% võrgustöötegijatest. Enameipiisavõrguülevõtmiseksarvuliseenamusesaavutamisest, vaidtulebtehatööd, seegakulutadaarvutiressurse.
  4. Nagu Otto juba mainis, siis see tööiseenesest on lihtsaltkonkreetsesformaadis sha256 räsidearvutamine. Üksiräsiarvutamineei ole rasketöö, kuidbitcoinivõrknõuab, et iga block räsigaalgaksnullidejadaga. Kuimitunullieespeabolemasõltubkonkreetseltsellest, kuipaljujõudlust on koguvõrgus. Võrksätibnullidearvu, ehkkaevandamisekeerukustiseautomaatseltnii, et uusblokkleitakskeskmiseltiga 10ne minutitagant.
  5. Nii. Võtamekõiktehingud, mis on võrkusaadetudpärasteelmiseblokileidmist, samutieelmiseblokiräsi. Lisaksveelüksjuhuarv. Nüüdräsimekogusellepoti. Kuitulemusalgabpiisaarvunullidega, siis block on leitudningsaadamesellekoguülejäänudvõrguleülekinnitamiseks, talletamiseksningkonsensuselejõudmiseks. Kuieisiisproovimeuutjuhuarvu, korratueskuniblokk on leitud.VeeltänahommikulnõudisBitcoinivõrkblockiräsialgusesse 16 nulli. Samalajalolivõrgusumbes 80 000 terahashivõimsust, ehksiiskõikkaevandajattegidkokku 80 000 miljarditräsiarvutustsekundis. See tähendab et üheblokileidmisekskulusumbes 4,8*10a19 räsiarvutuskatset.
  6. Kuidaspakkudainitsiatiivisellisearvutusvõimekuseülalhoidmiseks? Igakordkuileitakseuusblokk, saableidjakaevandajateenustasu, miskoosnebfikseeritultajaslangevastkogusestuutestbitcoinidest (hetkel 25BTC) ningkõikidestsellesseblokkimahtunudtehinguteteenustasudest. Ajapikkuuutebitcoinidearvväheneb, kuidvõrguaktiivsusekasvadeskogunebigasseblokkijärjestrohkemteenustasusid. Umbesaastaks 2140 lõppebuutebitcoinideloomine, eeldatavasti on selleksajaksvõrguspiisavaltaktiivsust, et kaevandamineoleksendiseltkasumliktegevus.
  7. See on teooria, kuidasnäebväljapraktika?On kakshästiolulistnüanssi: spetsiaalnekaevandamisriistvaraning mining poolid, nimetakemneidsiiskaevandamisbasseinideks.Bitcoinidearvblokisningblokkidearvtunnis on fikseeritud. Suurespildisjagunevadkõikjaotatavadbitcoinidproportsionaalseltkõigikaevandajatevahelvastavaltsellelekuimituräsitnadsekundisarvutuvad. See on endagakaasatoonudjärjesteskaleeruvarelvastumisvõistluseühavõimsamatejavõimsamatearvutitega.Esimesedbitcoinidkaevandatitavalistelauaarvutiteprotsessorite peal.
  8. Siismõtleskeegiväljakuidastehaneidsamuarvutusi 10netes kordadeseffektiivsemaltvideokaartide peal ningjärskuolidkõikkõrgemaotsaNvidiaja AMD GPUdturulpuhtaksostetud, kunaCPUdegapolnudenamvõimalikvõistelda. Ehitatimonstrummasinaidmiskoosnesidsisuliseltainultvideokaartidest. 
  9. Aga ka see eijäänudkauakspüsima, juba varstisaabusidesimesedspetsiaalseltBTCdekaevandamiseksmõeldudkiibid. ASICudehk Application Specific Integrate Circuitid. Need on sisuliseltväiksed custom protsessoridmis on optimeeritudtegemamaksimaalseltkiirestiningolidtaaskordvähemalt 10 kordavõimsamad. Need spetsiaalsedkaevandajadagaei ole odavad, 1.6/THs kaevandajamaksabnäiteks 2500$. See tähendab, et täna on vajabitcoinikaevandamisepealtteenimisekstehaüsnakorralikinvesteering.
  10. Jõuameteisenüansini: kaevandamisbasseinidehk mining poolid.
  11. P2pool hajus, saaksvarastadaLisaksmainiksäraveeleelkaevandamise. See on kaevandaminemidatehakseenne, kuiantudaltcoin on avalikuksläinud.
  12. Ei ole olemastsentraalsethinda. Igaexchang-I hinnamäärabsellekeskkonnanõudlusejapakkumisesuhe. See avabvõimalusiarbitraaziks
  13. Samakood, teineblockchain. Open source.Nagunäha, neid on sadu. Enamiksurevadennekuiüldsekuhugijõuavad,
  14. Namecoinoliüksesimesiforke.