{"id":5197,"date":"2021-01-24T22:52:00","date_gmt":"2021-01-24T19:52:00","guid":{"rendered":"https:\/\/alfacash.blog\/?p=5197"},"modified":"2024-02-19T21:52:25","modified_gmt":"2024-02-19T18:52:25","slug":"co-proof-of-stake-pos-coins-pasivni-prijem","status":"publish","type":"post","link":"https:\/\/alfacash.blog\/cs\/2021\/01\/24\/co-proof-of-stake-pos-coins-pasivni-prijem\/","title":{"rendered":"Co jsou mince Proof of Stake (PoS)? Zp\u016fsob pasivn\u00edho p\u0159\u00edjmu"},"content":{"rendered":"

M\u016f\u017ee to zn\u00edt jako slo\u017eit\u00fd term\u00edn, ale nen\u00ed to nic v\u00e1\u017en\u00e9ho, jakmile to z\u00edsk\u00e1te a uvedete do praxe, dokonce. Aby to bylo rychl\u00e9: Proof of Stake (PoS) je typ digit\u00e1ln\u00edho syst\u00e9mu (algoritmus) k dosa\u017een\u00ed konsensu v blockchainu,<\/strong> co\u017e znamen\u00e1 ov\u011b\u0159ovat transakce a razit nov\u00e9 mince. A ano, m\u016f\u017ee to b\u00fdt tak\u00e9 zp\u016fsob pasivn\u00edho p\u0159\u00edjmu pro kohokoli, kdo m\u00e1 po ruce dostatek finan\u010dn\u00edch prost\u0159edk\u016f.<\/p>\n\n\n\n

Tak\u017ee ... je to n\u011bco jako t\u011b\u017eba kryptom\u011bny? No, tak n\u011bjak. Je to v podstat\u011b alternativa k tradi\u010dn\u00ed t\u011b\u017eb\u011b kryptom\u011bny Proof of Work (PoW), kterou pou\u017e\u00edvaj\u00ed mince jako Bitcoin (BTC). Poj\u010fme si to trochu zapamatovat.<\/p>\n\n\n\n

PoW je dal\u0161\u00ed algoritmus<\/a>, a \u201ealgoritmem\u201c rozum\u00edme soubor krok\u016f a metod, kter\u00e9 jsou vytvo\u0159eny - s matematikou - k dosa\u017een\u00ed konkr\u00e9tn\u00edho v\u00fdsledku nebo vy\u0159e\u0161en\u00ed probl\u00e9mu. P\u0159esn\u011b to d\u011bl\u00e1 PoW: vyvinout obt\u00ed\u017en\u00fd matematick\u00fd probl\u00e9m nebo h\u00e1danku, kterou mus\u00ed za\u0159\u00edzen\u00ed horn\u00edka vy\u0159e\u0161it, aby ov\u011b\u0159ilo virtu\u00e1ln\u00ed transakce. Vyhraj\u00ed pak n\u011bjak\u00e9 kryptom\u011bny jako odm\u011bnu za sv\u00e9 slu\u017eby.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Tento horn\u00edk bude ke sv\u00e9mu \u00fakolu pot\u0159ebovat v\u00fdkonn\u00fd hardware, ur\u010dit\u00e9 mno\u017estv\u00ed technick\u00fdch znalost\u00ed a spoustu elekt\u0159iny. Te\u010f v PoS syst\u00e9my<\/a> (a mince) je figurka \u201ehorn\u00edka\u201c nahrazena \u201evalid\u00e1torem\u201c. Tento valid\u00e1tor, kter\u00fdm m\u016f\u017ee b\u00fdt kdokoli, kdo chce, toho moc pot\u0159ebovat nebude. Nam\u00edsto, ud\u011blaj\u00ed to, \u017ee zamknou do speci\u00e1ln\u00ed pen\u011b\u017eenky ur\u010dit\u00e9 mno\u017estv\u00ed nativn\u00edch token\u016f, kter\u00e9 d\u0159\u00edve z\u00edskali.  <\/strong><\/p>\n\n\n\n

V p\u0159\u00edpad\u011b pot\u0159eby tedy z\u00edskaj\u00ed pr\u00e1vo ov\u011b\u0159ovat transakce a razit nov\u00e9 mince, a to t\u00e9m\u011b\u0159 automaticky. A budou za to odm\u011bn\u011bni jako pasivn\u00ed p\u0159\u00edjem. To m\u00e1 ov\u0161em sv\u00e9 nev\u00fdhody.<\/p>\n\n\n\n

Co je tedy \u0161patn\u00e9ho na PoS?<\/strong><\/h2>\n\n\n\n

Kr\u00e1tkou odpov\u011bd\u00ed je zabezpe\u010den\u00ed poskytovan\u00e9 s\u00edti. Zde se trochu pozastav\u00edme, abychom si promluvili o vidlic\u00edch. V\u00edte, v\u011bt\u0161ina kryptom\u011bn je divok\u00e1 a bez jak\u00fdchkoli autorsk\u00fdch pr\u00e1v, open-source a decentralizovan\u00e1. To znamen\u00e1 ka\u017ed\u00fd, kdo m\u00e1 znalosti, m\u016f\u017ee zkop\u00edrovat a vlo\u017eit vlastn\u00ed verzi stejn\u00e9 kryptom\u011bny: to je vidli\u010dka<\/strong>, proto\u017ee mohou rozd\u011blit s\u00ed\u0165 a vz\u00edt ji jin\u00fdm sm\u011brem.<\/p>\n\n\n\n

Aby to bylo jasn\u011bj\u0161\u00ed, Bitcoin hotovost<\/a> (BCH) je nap\u0159\u00edklad vidli\u010dka Bitcoin<\/a> (BTC). Maj\u00ed stejnou historii a\u017e do roku 2017, kdy se BCH rozd\u011blil jin\u00fdm sm\u011brem a s nov\u00fdmi funkcemi. Ale hej, oba funguj\u00ed s PoW, ne s PoS. To znamen\u00e1, \u017ee se horn\u00edci m\u011bli rozhodnout mezi nimi dv\u011bma. Jejich v\u00fdpo\u010detn\u00ed s\u00edlu a snahu nelze sd\u00edlet se dv\u011bma \u0159et\u011bzci, proto\u017ee by to znamenalo dvojn\u00e1sobn\u00e9 utr\u00e1cen\u00ed stejn\u00fdch pen\u011bz.<\/p>\n\n\n\n

\"Dva-Bitcoin-Cash-survivor\"<\/figure>\n\n\n\n

To je u syst\u00e9m\u016f PoS vlastn\u011b riziko. S PoW nem\u00e1 smysl vytv\u00e1\u0159et nekone\u010dn\u00e9 vidlice, ale v PoS mohou b\u00fdt pro podvodn\u00edky ziskov\u00e9. U\u017eivatel tak m\u016f\u017ee p\u0159esko\u010dit mezi p\u016fvodn\u00edm \u0159et\u011bzcem, kde ji\u017e utratil pen\u00edze, a nov\u00fdm \u0159et\u011bzcem tam, kde ne<\/strong>, for example.  There\u2019s no \u201cwork\u201d to verify the transactions here, only stakeholders.<\/p>\n\n\n\n

V\u00fdvoj\u00e1\u0159i na tomto mo\u017en\u00e9m probl\u00e9mu pracuj\u00ed. Byly navr\u017eeny tresty za \u0161patn\u00e9 chov\u00e1n\u00ed, jako je sek\u00e1n\u00ed nebo konfiskace k\u016fl\u016f podvodn\u00edk\u016f. To je v\u0161ak nedokon\u010den\u00e1 pr\u00e1ce. A syst\u00e9my PoW maj\u00ed tak\u00e9 n\u011bkter\u00e9 nev\u00fdhody.<\/p>\n\n\n\n

Co je tedy na PoW \u0161patn\u00e9ho?<\/strong><\/h2>\n\n\n\n

Pravd\u011bpodobn\u011b hlavn\u00edm probl\u00e9mem, kter\u00fd m\u016f\u017ee vyvolat opr\u00e1vn\u011bn\u00e9 obavy ohledn\u011b tohoto syst\u00e9mu, je faktor \u017eivotn\u00edho prost\u0159ed\u00ed. POW blockchainy<\/a> jsou v\u011bt\u0161inou siln\u00e9 a bezpe\u010dn\u00e9, ale cena je energie (elekt\u0159ina) vynalo\u017een\u00e1 hardwarem na vy\u0159e\u0161en\u00ed matematick\u00fdch h\u00e1danek (pr\u00e1ce).<\/p>\n\n\n\n

Podle Cambridgesk\u00e9ho centra pro alternativn\u00ed finance (CCAF<\/a>), Bitcoin (nap\u0159\u00edklad) m\u00e1 odhadovanou ro\u010dn\u00ed spot\u0159ebu energie kolem 12,65 TWh<\/strong>. Z pohledu perspektivy je to v\u00edce ne\u017e v zem\u00edch jako Finsko, \u0160v\u00fdcarsko a Portugalsko.<\/p>\n\n\n\n

S ohledem na<\/a> \u017ee ka\u017ed\u00e1 1 KWh vyprodukuje p\u0159ibli\u017en\u011b 1 libru oxidu uhli\u010dit\u00e9ho (CO2) uvoln\u011bn\u00e9ho do atmosf\u00e9ry (a zne\u010di\u0161\u0165uj\u00edc\u00edho ji), to by znamenalo ka\u017edoro\u010dn\u011b p\u0159ibli\u017en\u011b 6,4 Mt (miliony tun) CO2. Samoz\u0159ejm\u011b se jedn\u00e1 sp\u00ed\u0161e o malou figurku, kdy\u017e ji porovn\u00e1me s jin\u00fdmi aktivitami, odv\u011btv\u00edmi a zem\u011bmi.<\/p>\n\n\n\n

\"PoS-p\u0159\u00edjem-Bitcoin-energie\"
Bitcoin je daleko za nejv\u011bt\u0161\u00edmi spot\u0159ebiteli energie na sv\u011bt\u011b. Zdroj: CCAF<\/figcaption><\/figure>\n\n\n\n

Bankovn\u00ed pr\u016fmysl produkuje kolem 319,5 Mt CO2 ro\u010dn\u011b. T\u011b\u017eba zlata produkuje 69,4 Mt CO2, Spojen\u00e9 st\u00e1ty 1 951 Mt CO2 a \u010c\u00edna 2 782 Mt CO2. Krom\u011b toho, jak uv\u00e1d\u00ed tak\u00e9 CCAF, Bitcoin spot\u0159ebuje sotva 0,49% z celkov\u00e9 spot\u0159eby energie.<\/strong><\/p>\n\n\n\n

Nav\u00edc studie proveden\u00e1 firmou CoinShares<\/a> odhalil, \u017ee kryptom\u011bni se pou\u017e\u00edvaj\u00ed k tomu, aby se usadili v m\u00edstech, kde je elekt\u0159ina levn\u011bj\u0161\u00ed, aby dos\u00e1hli v\u011bt\u0161\u00edho zisku. A levn\u011bj\u0161\u00ed elekt\u0159ina obvykle znamen\u00e1 obnoviteln\u00e9 (a nezne\u010di\u0161\u0165uj\u00edc\u00ed) zdroje energie, nap\u0159\u00edklad vodn\u00ed. Tato z\u00e1le\u017eitost je tedy st\u00e1le p\u0159edm\u011btem diskuse.<\/p>\n\n\n\n

PoS coiny jako pasivn\u00ed p\u0159\u00edjem<\/strong><\/h2>\n\n\n\n

Nechme stranou, kter\u00fd syst\u00e9m je lep\u0161\u00ed (odpov\u011b\u010f zat\u00edm nen\u00ed stanovena), jist\u00e9 je, \u017ee lid\u00e9 mohou pasivn\u011b vyd\u011bl\u00e1vat pouh\u00fdm dr\u017een\u00edm minc\u00ed PoS ve sv\u00e9 pen\u011b\u017eence.<\/strong> \u010c\u00edm v\u00edce jich m\u00e1te a \u010d\u00edm v\u00edce \u010dasu je m\u00e1te zam\u010den\u00e9 (nepou\u017eit\u00e9), t\u00edm v\u00edce v\u00fdd\u011blk\u016f m\u016f\u017eete z\u00edskat (ve stejn\u00e9 m\u011bn\u011b).<\/p>\n\n\n\n

M\u016f\u017eete si to p\u0159edstavit jako n\u011bco podobn\u00e9ho jako spo\u0159ic\u00ed \u00fa\u010dty, ale pravd\u011bpodobn\u011b s v\u011bt\u0161\u00edm z\u00e1jmem. A m\u011bli bychom \u0159\u00edci, \u017ee ve h\u0159e je pravd\u011bpodobn\u011b tak\u00e9 v\u00edce pen\u011bz. St\u00e1t se valid\u00e1torem PoS nemus\u00ed b\u00fdt levn\u00e9, p\u0159esn\u011b. D\u016fvodem je, \u017ee hlavn\u00edm principem tohoto syst\u00e9mu je, aby se jejich u\u017eivatel\u00e9 skute\u010dn\u011b zaj\u00edmali o blaho s\u00edt\u011b.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

M\u016f\u017eeme zde pou\u017e\u00edt n\u011bkolik p\u0159\u00edklad\u016f. Ned\u00e1vno, Vyd\u00e1n Ethereum<\/a> jeho prvn\u00ed syst\u00e9m PoS. Aby se u\u017eivatel\u00e9 mohli st\u00e1t jeho budouc\u00edm ov\u011b\u0159ovatelem, mus\u00ed m\u00edt uzam\u010deno 32 ETH (nyn\u00ed p\u0159ibli\u017en\u011b $41.6k) v pen\u011b\u017eence k tomu ur\u010den\u00e9. Podle (experiment\u00e1ln\u00ed) kalkula\u010dky poskytnut\u00e9 Cena Ethereum<\/a>, to by znamenalo ro\u010dn\u00ed zisk 8,9%.<\/strong><\/p>\n\n\n\n

\u00dadaje se v r\u016fzn\u00fdch minc\u00edch PoS li\u0161\u00ed. Dash po\u017eaduje<\/a> zaji\u0161t\u011bn\u00ed 1 000 token\u016f ($105,700) pro jeho valid\u00e1tory PoS a nab\u00edz\u00ed ro\u010dn\u00ed \u00farok kolem 6%. Na druhou stranu v Kosmos (ATOM)<\/a> existuj\u00ed r\u016fzn\u00e9 \u00farovn\u011b s\u00e1zen\u00ed. Ten prvn\u00ed nevy\u017eaduje \u017e\u00e1dnou konkr\u00e9tn\u00ed \u010d\u00e1stku jako minimum pro s\u00e1zen\u00ed, m\u016f\u017eete to ud\u011blat snadno z pen\u011b\u017eenek jako Atomov\u00e1 pen\u011b\u017eenka<\/a>, a vypo\u010d\u00edtan\u00fd zisk je 8% ro\u010dn\u011b. Dal\u0161\u00ed \u00farove\u0148 (pro ofici\u00e1ln\u00ed valid\u00e1tory) je v\u0161ak t\u011b\u017e\u0161\u00ed dos\u00e1hnout. N\u00e1klady<\/a> jsou v\u00edce ne\u017e $57k.<\/p>\n\n\n\n

Na z\u00e1v\u011br? PoS coiny mohou d\u011blat opravdu p\u011bkn\u00fd pasivn\u00ed p\u0159\u00edjem, ale ne bez n\u011bjak\u00e9 p\u011bkn\u00e9 investice.<\/strong> Ka\u017edop\u00e1dn\u011b v p\u0159\u00edpad\u011b z\u00e1jmu zde najdete a seznam minc\u00ed PoS<\/a> vybrat. Nezapome\u0148te si v\u0161ak ud\u011blat vlastn\u00ed pr\u016fzkum (DYOR<\/a>) za prv\u00e9!<\/p>\n\n\n\n

\n\n\n\n

Chcete obchodovat BTC, ETH a dal\u0161\u00ed tokeny? M\u016f\u017ee\u0161 to ud\u011blat<\/em>\u00a0bezpe\u010dn\u011b\u00a0na Alfacash<\/a>! A nezapome\u0148te, \u017ee mluv\u00edme o tomto a mnoha dal\u0161\u00edch v\u011bcech na na\u0161ich soci\u00e1ln\u00edch m\u00e9di\u00edch.

<\/em>Cvrlik\u00e1n\u00ed<\/a>\u00a0*\u00a0Telegram<\/a>\u00a0*\u00a0Instagram<\/a> * Youtube<\/a>\u00a0*Facebook<\/a>\u00a0\u00a0*\u00a0Vkontakte<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Mince Proof of Stake (PoS) mohou sv\u00fdm dr\u017eitel\u016fm snadno poskytnout n\u011bjak\u00fd pasivn\u00ed p\u0159\u00edjem. Existuj\u00ed v\u0161ak ur\u010dit\u00e1 rizika a alternativy.<\/p>","protected":false},"author":5,"featured_media":5201,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[48],"tags":[184,107,101,233,181,232],"class_list":{"0":"post-5197","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-learn","8":"tag-cryptocurrency-miners","9":"tag-ethereum","10":"tag-investment","11":"tag-passive-income","12":"tag-pos","13":"tag-proof-of-stake"},"featured_image_src":"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/03-scaled.jpg","author_info":{"display_name":"Isabel P\u00e9rez","author_link":"https:\/\/alfacash.blog\/cs\/author\/isabel\/"},"yoast_head":"\nWhat are Proof of Stake (PoS) coins? 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