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<node TEXT="Bitcoin" FOLDED="true" POSITION="right" ID="ID_1862468791" CREATED="1518869973414" MODIFIED="1658660567710">
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<node TEXT="ce este Bitcoin" FOLDED="true" ID="ID_557878872" CREATED="1518870031479" MODIFIED="1519456399998">
<icon BUILTIN="idea"/>
<node TEXT="conceptul de criptomoned&#x103;: explica&#x21b;ii" FOLDED="true" ID="ID_328853521" CREATED="1518871111029" MODIFIED="1519456940841">
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<node TEXT="DEFINI&#x21a;IE:&#xa; Criptomonedele sunt un activ digital, f&#x103;cute s&#x103; func&#x21b;ioneze ca un mediu de schimb ce utilizeaz&#x103; metode criptografice pentru a asigura siguran&#x21b;a tranzac&#x21b;iilor, pentru a controla crearea de unit&#x103;&#x21b;i de moned&#x103;, pentru a verifica transferul de active. Criptomonedele sunt un tip de monede digitale, sunt monede alternative, virtuale (sursa: Wikipedia, edi&#x21b;ia de limb&#x103; englez&#x103;)" ID="ID_1233762076" CREATED="1518878351431" MODIFIED="1518878581759"/>
<node TEXT="dar ce este, de fapt, Bitcoin?" FOLDED="true" ID="ID_888121175" CREATED="1518878882159" MODIFIED="1519456617654">
<node TEXT="un jurnal de &#xee;ncas&#x103;ri &#x219;i pl&#x103;&#x21b;i distribuit &#xee;ntr-o re&#x21b;ea" FOLDED="true" ID="ID_1875856507" CREATED="1518878891927" MODIFIED="1519456713827">
<node TEXT="" ID="ID_1173507334" CREATED="1658589248983" MODIFIED="1658590001028">
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<node TEXT="acest jurnal se bazeaz&#x103; pe tehnologia Blockchain" FOLDED="true" ID="ID_1989748861" CREATED="1518878925125" MODIFIED="1519456780323">
<node TEXT="vom vorbi despre ea..." ID="ID_1183473890" CREATED="1518878942079" MODIFIED="1518878958503"/>
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<node TEXT="o succesiune de bi&#x21b;i !" ID="ID_1804001093" CREATED="1518879205210" MODIFIED="1518879263780"/>
<node TEXT="Bitcoinii sunt de&#x21b;inu&#x21b;i &#xee;n portofele, care sunt...ni&#x219;te &#xee;n&#x219;iruiri de litere &#x219;i cifre, cu ajutorul c&#x103;rora po&#x21b;i s&#x103; realizezi tranzac&#x21b;ii &#xee;n blockchain" FOLDED="true" ID="ID_544643706" CREATED="1518879276809" MODIFIED="1518893519840">
<node TEXT="s&#x103; trimiti Bitcoin" ID="ID_405507989" CREATED="1518879343565" MODIFIED="1518879365809"/>
<node TEXT="s&#x103; prime&#x219;ti Bitcoin" ID="ID_1420276799" CREATED="1518879349912" MODIFIED="1518879362120"/>
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<node TEXT="ce NU este Bitcoin" FOLDED="true" ID="ID_1532556632" CREATED="1518878989360" MODIFIED="1519456869254">
<node TEXT="un obiect fizic" ID="ID_1813966238" CREATED="1518879000547" MODIFIED="1518879011707"/>
<node TEXT="o moned&#x103;" FOLDED="true" ID="ID_1236152436" CREATED="1518879012571" MODIFIED="1519456830958">
<node TEXT="" ID="ID_543584704" CREATED="1606306161241" MODIFIED="1606306251735">
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<node TEXT="un sistem complet anonim" FOLDED="true" ID="ID_438753334" CREATED="1518880615827" MODIFIED="1519456875646">
<node TEXT="jurnalul este public" ID="ID_23141155" CREATED="1518880621700" MODIFIED="1518880633350"/>
<node TEXT="nu se &#x219;tie coresponden&#x21b;a dintre adres&#x103; &#x219;i de&#x21b;in&#x103;tor" FOLDED="true" ID="ID_1473247607" CREATED="1518880634046" MODIFIED="1519456910297">
<node TEXT="doar dac&#x103; de&#x21b;in&#x103;torul adresei a f&#x103;cut-o public&#x103;" ID="ID_1181027759" CREATED="1518880651115" MODIFIED="1518880668382"/>
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<node TEXT="chei publice si private" FOLDED="true" ID="ID_350245558" CREATED="1518870168907" MODIFIED="1658590027722">
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<node TEXT="controlul bitcoinilor pe care &#xee;i de&#x21b;ii se face cu ajutorul unui portofe" FOLDED="true" ID="ID_1312414228" CREATED="1518879383997" MODIFIED="1518879407995">
<node TEXT="prin" FOLDED="true" ID="ID_270620119" CREATED="1658590431639" MODIFIED="1658590449093">
<node TEXT="cheia privat&#x103;" ID="ID_560046020" CREATED="1658590449100" MODIFIED="1658590459041"/>
<node TEXT="cheia public&#x103;" ID="ID_1067380292" CREATED="1658590467630" MODIFIED="1658590480332"/>
<node TEXT="adresa public&#x103;" ID="ID_1079483759" CREATED="1658590471142" MODIFIED="1658590475175"/>
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<node TEXT="rela&#x21b;ia dintre ele" FOLDED="true" ID="ID_1296569739" CREATED="1658590483517" MODIFIED="1658590489808">
<node TEXT="" ID="ID_402755869" CREATED="1658590491650" MODIFIED="1658590498050">
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<node TEXT="portofelul are" FOLDED="true" ID="ID_641734973" CREATED="1518879408628" MODIFIED="1518893519840">
<node TEXT="o cheie public&#x103;" FOLDED="true" ID="ID_1990220398" CREATED="1518879414472" MODIFIED="1658590045488">
<node TEXT="o &#xee;n&#x219;iruire de 35 de caractere, litere &#x219;i cifre" ID="ID_513211392" CREATED="1518879431467" MODIFIED="1658590113100"/>
<node TEXT="este derivat&#x103; matematic din cheia privat&#x103;" ID="ID_450424619" CREATED="1518879505286" MODIFIED="1658590132118"/>
<node TEXT="serve&#x219;te la primirea de Bitcoin" FOLDED="true" ID="ID_1222071929" CREATED="1518879771175" MODIFIED="1518893519840">
<node TEXT="din ea se produce adresa, care se ofer&#x103; celui care &#xee;&#x21b;i trimite Bitcoin" ID="ID_1793526080" CREATED="1518879783074" MODIFIED="1658590530221"/>
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<node TEXT="este similar&#x103; num&#x103;rului de card" ID="ID_1184925100" CREATED="1518879796177" MODIFIED="1518879811967"/>
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<node TEXT="o cheie privat&#x103;" FOLDED="true" ID="ID_1089492917" CREATED="1518879418813" MODIFIED="1658590052184">
<node TEXT="este o insiruire de aprox. 52 de caractere" ID="ID_1678634390" CREATED="1518879672649" MODIFIED="1658590546702"/>
<node TEXT="este cea care permite cheltuirea de Bitcoin din portofel" ID="ID_1190328597" CREATED="1518879814679" MODIFIED="1518879834602"/>
<node TEXT="cine are cheia privat&#x103;, controleaz&#x103; acel portofel" ID="ID_1103656849" CREATED="1518879838046" MODIFIED="1518879851094"/>
<node TEXT="este similar&#x103; PIN-ului de la card" ID="ID_1245700848" CREATED="1518879851761" MODIFIED="1518879867237"/>
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<node TEXT="tranzac&#x21b;ii" FOLDED="true" ID="ID_752184572" CREATED="1518879889535" MODIFIED="1518893519840">
<node TEXT="IMPORTANT!" FOLDED="true" ID="ID_496105347" CREATED="1518879894258" MODIFIED="1518893519840">
<node TEXT="tranzac&#x21b;iile &#xee;n Bitcoin NU sunt reversibile" FOLDED="true" ID="ID_1390001652" CREATED="1518879900419" MODIFIED="1518893519840">
<node TEXT="dac&#x103; cineva &#x21b;i-a aflat cheia privat&#x103; &#x219;i a trimis Bitcoinii t&#x103;i &#xee;n portofelul lui, transferul este DEFINITIV!" ID="ID_1002952332" CREATED="1518879911127" MODIFIED="1518879951379"/>
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<node TEXT="vizualizare" FOLDED="true" ID="ID_546586737" CREATED="1518880544775" MODIFIED="1518893519840">
<node TEXT="blockchain explorer" FOLDED="true" ID="ID_256184809" CREATED="1518880549279" MODIFIED="1518893519840">
<node TEXT="https://blockchain.info/" FOLDED="true" ID="ID_353389632" CREATED="1518880583684" MODIFIED="1518880586825">
<node TEXT="demonstra&#x21b;ie" ID="ID_699252025" CREATED="1658591076047" MODIFIED="1658591082708"/>
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<node TEXT="cantitatea de Bitcoin dintr-un portofel este PUBLIC&#x102;!" ID="ID_1536745670" CREATED="1518880587708" MODIFIED="1518880609071"/>
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<node TEXT="tipuri de portofele" FOLDED="true" ID="ID_1046225685" CREATED="1518870180379" MODIFIED="1518893519856">
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<node TEXT="portofele reci" FOLDED="true" ID="ID_573309128" CREATED="1518870198177" MODIFIED="1518893519840">
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<node TEXT="portofele de h&#xe2;rtie" FOLDED="true" ID="ID_899098538" CREATED="1518879978268" MODIFIED="1518893519840">
<node TEXT="pentru c&#x103; se scriu/printeaz&#x103; pe h&#xe2;rtie" ID="ID_739040804" CREATED="1518879987377" MODIFIED="1518880000113"/>
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<node TEXT="sunt cele mai sigure" FOLDED="true" ID="ID_336486976" CREATED="1518880122337" MODIFIED="1518893519840">
<node TEXT="ast&#x103;zi se folosesc mai rar" FOLDED="true" ID="ID_993604967" CREATED="1518880158407" MODIFIED="1658590638540">
<node TEXT=" a se printa &#xee;n mai multe exemplare" ID="ID_995469726" CREATED="1518880189675" MODIFIED="1518880195081"/>
<node TEXT="a se ascunde exemplarele &#xee;n mai multe loca&#x21b;ii" FOLDED="true" ID="ID_1063406099" CREATED="1518880195539" MODIFIED="1518893519840">
<node TEXT="adica acas&#x103; &#x219;i la casa p&#x103;rin&#x21b;ilor" ID="ID_1690941001" CREATED="1518880208478" MODIFIED="1518880220416"/>
<node TEXT="&#x201e;Two is one and one is none!&#x201d;" ID="ID_1451086816" CREATED="1518880221202" MODIFIED="1518880233133"/>
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<node TEXT="generarea de portofele de h&#xe2;rtie" FOLDED="true" ID="ID_1271911430" CREATED="1518880387978" MODIFIED="1658590644453">
<node TEXT="https://www.bitaddress.org" FOLDED="true" ID="ID_314335229" CREATED="1518880404520" MODIFIED="1518880448349">
<node TEXT="demonstra&#x21b;ie" ID="ID_1951052376" CREATED="1658591088085" MODIFIED="1658591093641"/>
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<node TEXT="portofele mobile" FOLDED="true" ID="ID_1604552233" CREATED="1518870188187" MODIFIED="1518893519856">
<icon BUILTIN="full-2"/>
<node TEXT="sunt extrem de folositoare dac&#x103; vrei s&#x103; faci cump&#x103;r&#x103;turi" ID="ID_1406379156" CREATED="1518880243006" MODIFIED="1518880257181"/>
<node TEXT="se instaleaz&#x103; pe smartphone" FOLDED="true" ID="ID_689963574" CREATED="1518880257905" MODIFIED="1518893519840">
<node TEXT="Android" ID="ID_1263028084" CREATED="1518880272432" MODIFIED="1518880275276"/>
<node TEXT="iPhone" ID="ID_37243594" CREATED="1518880275789" MODIFIED="1518880279774"/>
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<node TEXT="sunt cele mai expuse la furt de monede" ID="ID_325003339" CREATED="1518880282365" MODIFIED="1518880290791"/>
<node TEXT="NU se recomand&#x103; pentru stocare pe perment lung" ID="ID_693965037" CREATED="1518880292465" MODIFIED="1518893519856"/>
<node TEXT="exemple" FOLDED="true" ID="ID_1790724801" CREATED="1518880475139" MODIFIED="1518893519856">
<node TEXT="Mycelium" FOLDED="true" ID="ID_1258948060" CREATED="1518880479054" MODIFIED="1518880721896">
<node TEXT="" ID="ID_704792339" CREATED="1658591113949" MODIFIED="1658591391301">
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<node TEXT="Samourai" ID="ID_1021845269" CREATED="1518880722769" MODIFIED="1606307161062"/>
<node TEXT="Exodus" ID="ID_1044492537" CREATED="1658590865787" MODIFIED="1658590920334"/>
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<node TEXT="portofele desktop" FOLDED="true" ID="ID_1013373264" CREATED="1518870207116" MODIFIED="1518893519856">
<icon BUILTIN="full-3"/>
<node TEXT="sunt destinate utiliz&#x103;rii pe computere" FOLDED="true" ID="ID_1033340996" CREATED="1518880358353" MODIFIED="1518893519856">
<node TEXT="desktop,laptop" ID="ID_1634485137" CREATED="1518880377453" MODIFIED="1518880383332"/>
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<node TEXT="se utilizeaz&#x103; mai ales pentru" FOLDED="true" ID="ID_1420117270" CREATED="1518880793455" MODIFIED="1518893519856">
<node TEXT="gestionarea portofelelor" ID="ID_1332050267" CREATED="1518880814169" MODIFIED="1658590758254"/>
<node TEXT="gestionarea transferurilor" FOLDED="true" ID="ID_281163255" CREATED="1658590758612" MODIFIED="1658590764827">
<node TEXT="de exemplu spre exchange-uri" ID="ID_755791982" CREATED="1658590772086" MODIFIED="1658590787376"/>
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<node TEXT="exemple" FOLDED="true" ID="ID_1375626785" CREATED="1518880891547" MODIFIED="1518893519856">
<node TEXT="Electrum" FOLDED="true" ID="ID_1241799540" CREATED="1518880893996" MODIFIED="1518880897995">
<node TEXT="" ID="ID_516949193" CREATED="1658660710412" MODIFIED="1658660717969">
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<node TEXT="Exodus" ID="ID_1356663179" CREATED="1518880908043" MODIFIED="1518880924114"/>
<node TEXT="Armory" ID="ID_635909803" CREATED="1518881003889" MODIFIED="1518893519856"/>
<node TEXT="toate pentru Mac, Win &#x219;i Linux" ID="ID_1015259084" CREATED="1518881023420" MODIFIED="1518881033427"/>
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<node TEXT="portofele hardware" FOLDED="true" ID="ID_409322239" CREATED="1518870212442" MODIFIED="1518893519856">
<icon BUILTIN="full-4"/>
<node TEXT="cele mai sigure" FOLDED="true" ID="ID_1486985065" CREATED="1518881044425" MODIFIED="1518893519856">
<node TEXT="dup&#x103; portofele de h&#xe2;rtie" ID="ID_380052822" CREATED="1518881050716" MODIFIED="1518881061370"/>
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<node TEXT="se pot folosi pentru" FOLDED="true" ID="ID_793736044" CREATED="1518881062699" MODIFIED="1518893519856">
<node TEXT="stocare pe termen lung" ID="ID_1882234727" CREATED="1518881071382" MODIFIED="1518881076304"/>
<node TEXT="transfer de fonduri de la  &#x219;i la exchange-uri" ID="ID_1611566842" CREATED="1518881077834" MODIFIED="1658590949306"/>
<node TEXT="cump&#x103;r&#x103;turi" ID="ID_1748099590" CREATED="1518881112170" MODIFIED="1518881121454"/>
<node TEXT="unele suporta aplica&#x21b;ii" FOLDED="true" ID="ID_1581541797" CREATED="1658590957379" MODIFIED="1658590977843">
<node TEXT="Ledger Nano" ID="ID_1555214391" CREATED="1658590977848" MODIFIED="1658590982557"/>
</node>
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<node TEXT="avantaje" FOLDED="true" ID="ID_1198944099" CREATED="1518881121909" MODIFIED="1518893519856">
<node TEXT="sigure" ID="ID_12441904" CREATED="1518881126036" MODIFIED="1518881127876"/>
<node TEXT="de obicei suport&#x103; mai multe monede" FOLDED="true" ID="ID_612261233" CREATED="1518881128481" MODIFIED="1518893519856">
<node TEXT="zeci... miii" ID="ID_742284095" CREATED="1518881141866" MODIFIED="1658590998039"/>
</node>
<node TEXT="pot fi &#x201e;recuperate&#x201d; &#xee;n caz de furt sau pierdere" ID="ID_395403506" CREATED="1518881176544" MODIFIED="1518881191326"/>
<node TEXT="pot func&#x21b;iona &#x219;i pe computere virusate" FOLDED="true" ID="ID_1993702040" CREATED="1518881413482" MODIFIED="1518893519856">
<node TEXT="se confirm&#x103; adresa de trimitere a banilor pe ecranul portofelului" ID="ID_864174545" CREATED="1518881422788" MODIFIED="1518881435793"/>
</node>
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<node TEXT="dezavantaje" FOLDED="true" ID="ID_1363695016" CREATED="1518881148247" MODIFIED="1518893519856">
<node TEXT="sunt vulnerabile dac&#x103; nu sunt folosite conform instruc&#x21b;iunilor de folosire" ID="ID_1375511172" CREATED="1518881153374" MODIFIED="1518881168978"/>
<node TEXT="fiind gadgeturi fizice, pot fi pierdute/furate" ID="ID_1032717864" CREATED="1518881170759" MODIFIED="1518881211804"/>
</node>
<node TEXT="exemple" FOLDED="true" ID="ID_1891488265" CREATED="1518881215184" MODIFIED="1518893519856">
<node TEXT="Ledger" FOLDED="true" ID="ID_524774166" CREATED="1518881217296" MODIFIED="1518881222810">
<node TEXT="" ID="ID_817381556" CREATED="1658591460541" MODIFIED="1658591486909">
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<node TEXT="Trezor" ID="ID_1521535013" CREATED="1518881223622" MODIFIED="1518881225262"/>
<node TEXT="KeepKey" ID="ID_1833872988" CREATED="1518881317041" MODIFIED="1518881320277"/>
<node TEXT="Coldcard" ID="ID_1919177314" CREATED="1518881320945" MODIFIED="1658591013836"/>
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