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Blockchain

Blockchain

          
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About the Book

El professor Doctor Betram Zweifels és l'emminent expert en informàtica financera. El seu coneixement de les xarxes informàtiques distribuïdes independents és insuperable. Combina l'experiència de mil-lennis virtuals en la seva comprensió especialitzada de totes les qüestions digitals. El seu coneixement sorprenent abasta tant els àmbits del maquinari com del programari. Ha estat pioner en l'ús de la intel-ligència artificial per a la mineria eficaç i sostenible de criptomonedes amb eficiència energètica i ha calculat les probabilitats de pirateria d'ordinadors quàntics en diverses criptomonedes. La seva comprensió de les finances li permet portar una vida feliç i segura financerament juntament amb la seva dona, promesa i mestressa; i tots els seus fills comuns i adoptats. Professor Doctor Betra, Zweifels és estimat pels seus estudiants i estimat pels seus col-legues. Tothom sempre l'acull amb molt de respecte i afecte.Cadascuna de les famoses cadenes de blocs és una llista creixent de registres, anomenats blocs, que estan connectats entre ells mitjançant la criptografia. Cada bloc conté un hash criptogràfic segur del bloc anterior, una marca de temps segura i dades de transaccions addicionals (generalment representades com l'anomenat arbre de Merkle). Per disseny, una cadena de blocs vol ser resistent a la modificació de les seves dades. Això es deu al fet que un cop s'ha registrat la cadena de blocs, se suposa que les dades d'un bloc determinat són immunes a l'alteració retroactiva sense alteració de tots els blocs posteriors. Per utilitzar-la com a llibre major distribuït, una cadena de blocs normalment és gestionada per un parell a xarxa d'iguals que s'adhereix col-lectivament a un protocol per a la comunicació entre nodes i la validació de nous blocs. Tot i que els registres de cadenes de blocs no són inalterables, les cadenes de blocs es poden considerar segures pel disseny i exemplifiquen un sistema informàtic distribuït amb una alta tolerància a les falles bizantines. S'ha descrit la cadena de blocs com "un llibre major distribuït i obert que pot registrar transaccions entre dues parts de manera eficient i permanent i verificable". La cadena de blocs va ser inventada per una persona (o un grup de persones) que va utilitzar el nom de Satoshi Nakamoto el 2008 per serveixi com a llibre major de transaccions públiques de la moneda criptogràfica bitcoin. La identitat de Satoshi Nakamoto continua sent desconeguda fins ara. La invenció de la cadena de blocs per a Bitcoin la va convertir en la primera moneda digital que resolia el problema de la doble despesa sense la necessitat d'una autoritat de confiança o d'un servidor central. El disseny de bitcoin ha inspirat altres aplicacions i cadenes de blocs que el públic pot llegir i que són àmpliament utilitzades per les criptomonedes. La cadena de blocs es considera un tipus de ferrocarril de pagament. S'han proposat cadenes de blocs privades per a ús empresarial, però Computerworld va anomenar "oli de serp" la comercialització d'aquestes cadenes de blocs privatitzades sense un model de seguretat adequat. No obstant això, altres han argumentat que les cadenes de blocs autoritzades, si es dissenyen acuradament, poden ser més descentralitzades i, per tant, més segures a la pràctica que les que no tenen permís.


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Product Details
  • ISBN-13: 9798735862482
  • Publisher: Independently Published
  • Publisher Imprint: Independently Published
  • Height: 229 mm
  • No of Pages: 118
  • Spine Width: 6 mm
  • Width: 152 mm
  • ISBN-10: 8735862483
  • Publisher Date: 10 Apr 2021
  • Binding: Paperback
  • Language: Catalan
  • Returnable: N
  • Weight: 168 gr

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