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MetaMask ã¯ããŠãŒã¶ãŒã Ethereum ãããã¯ãã§ãŒã³äžã®åæ£åã¢ããªã±ãŒã·ã§ã³ (DApps) ãšå¯Ÿè©±ã§ããããã«ããã人æ°ã®ããæå·é貚ãŠã©ã¬ããããã³ãã©ãŠã¶æ¡åŒµæ©èœã§ãã
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æ¬é¡ã«å ¥ãåã«ãç§ãã¡ãããã§ãŸãšãããããªãèªèº«ã®æå·é貚ã®æ ã®æãéèŠãªéšåãã€ãŸãæå·é貚ãŠã©ã¬ããã«é¢ããã¯ãšã¹ãã«åãçµãã§ãã ãããããã§ã¯ãã¹ããããã€ã¹ãããã®ã¬ã€ããšãšãã«ã metamask.io ãã€ã³ã¹ããŒã«ããŠèšå®ããæ¹æ³ãåŠã³ãŸãã
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ã¡ã¿ãã¹ã¯.ioãšã¯äœã§ãã?
MetaMask ã¯ã2016 幎ã«ã€ãŒãµãªã¢ã ãšãããã¯ãã§ãŒã³æè¡ã«ç±å¿ãªå èŠã®æã®ããããŒã ã«ãã£ãŠèšç«ãããŸããã
ããžã¿ã«é貚ã䜿çšããããåæ£åã¢ã㪠(DApps) ãæ¢çŽ¢ãããããããšã¯ãå€ãã®äººã«ãšã£ãŠè¿·è·¯ã«è¶³ãèžã¿å ¥ãããããªãã®ã§ãããããã§åœŒãã¯ããã®æ ãç°¡çŽ åããæå·é貚ã®åéºã«ä¹ãåºããããã¹ãŠã®äººãã¢ã¯ã»ã¹ã§ããããã«ããããšãç®æããŸããã
MetaMask ãéç«ã£ãŠããã®ã¯ãWeb ãµãŒãã£ã³ããããšãã¯ãã€ã§ããµããŒãããŠãããé Œããçžæ£ã®ããã«ããã©ãŠã¶ã«ç°¡åã«ãã£ããããããšã§ãã
ããã«æ³šç®ã«å€ããã®ã¯ãMetaMask ã®èåŸã«ãã粟ç¥ã§ããåµèšè ãã¯ãéµã管çããèŠå¡ãæ§ç¯ããã®ã§ã¯ãªãããã¹ãŠã®äººã«åãäžããããŒã«ãæ§æ³ããŸããããã®ããã«ããŠãMetaMask ã¯åãªããŠã©ã¬ããã§ã¯ãªãããŠãŒã¶ãŒã«ãšã£ãŠã®ç§å¯ã®ãã³ãŒããŒãªã³ã°ã«ãªããŸãããã·ãŒã ãã¬ãŒãºãšåŒã°ããç¹å¥ãªã³ãŒã (ããã°ã¹ãŒããŒããŒããŒã®ãã¹ã¯ãŒã) ã䜿çšãããšããŠãŒã¶ãŒã¯æå·äžçã®ãã¹ã¿ãŒã«ãªããŸããã
MetaMask ãããžã¿ã«ãã©ãŒãžããç»å ŽãããšãåãªãããŒã«ä»¥äžã®ãã®ã«ãªããŸãããæ°ãããªã³ã©ã€ã³äœéšãžã®å ¥ãå£ãšãªããŸãããæå·ã²ãŒã ããã¬ã€ãããå Žåã§ãããŠããŒã¯ãªããžã¿ã« ã¢ãŒããè³Œå ¥ãããå Žåã§ããåæ£åéèã®é©ç°ãæ¢æ±ãããå Žåã§ããMetaMask ã¯ä¿¡é Œã§ããããŒãããŒãšãªããŸããã
é·å¹Žã«ããããMetaMask ã¯ãã®é©æ°æ§ãšãŠãŒã¶ãŒãã¬ã³ããªãŒãªã¢ãããŒãã§è³è³ãç²åŸããŠããŸãããããã¯åãªã財åžã§ã¯ãããŸãããããã¯ãè€éãªãã¯ãããžãŒã倧è¡ãå©çšã§ããããã«ããåã®èšŒã§ãããããã£ãŠããã©ãŠã¶ãŒã«ããªãã¿ã®ãããã®ããŽã衚瀺ãããå Žåã¯ããããåãªãããŒã«ã§ã¯ãªãããã¹ãŠã®äººã«ãšã£ãŠæå·é貚ãžã®ç§»è¡ãç°¡çŽ åããããšãç®æããåµèšè ã®ããžã§ã³ãšç®èº«ãè¡šããŠããããšãç¥ã£ãŠãã ããã
Metamask.io ãããæ·±ãç解ããã®ã«åœ¹ç«ã€ããã€ãã®ç°¡åãªäºå®ã以äžã«ç€ºããŸãã
1.ããžã¿ã«ãŠã©ã¬ãã
MetaMask ããã€ã³ã¿ãŒããã ãã©ãŠã¶ãŒã®ç¹å¥ãªãã±ããã®ãããªããªã³ã©ã€ã³ ãããŒã®ããžã¿ã« ãŠã©ã¬ãããšããŠæ³åããŠãã ãããç©ççãªè²¡åžã䜿çšããŠçŸéãã«ãŒããå®å šã«ä¿ç®¡ããã®ãšåãããã«ãMetaMask ã¯ããžã¿ã«ãã㌠(æå·é貚) ãå®å šã«ä¿ç®¡ããŸãã
2. ã€ã³ã¿ãŒããããã©ãŠã¶ã®çžæ£
MetaMask ã¯ãã€ã³ã¿ãŒããã ãã©ãŠã¶ (Google Chrome ã Firefox ãªã©) å ã§åäœãããã¬ã³ããªãŒãªãã«ããŒã®ãããªãã®ã§ããéåžžã®ãã«ããŠãŒãã®ä»£ããã«ããžã¿ã«ãããŒã䜿çšããç¹å¥ãªãŠã§ããµã€ããå©çšããã®ã«åœ¹ç«ã¡ãŸãã
3. åæ£åã¢ã㪠(DApps)
MetaMask ããã¯ãŒã«ãªãªã³ã©ã€ã³ ã²ãŒã ãã¢ããªã®ããã¯ã解é€ããããã®éµãšèããŠãã ããããããã¯æºåž¯é»è©±ã®ã²ãŒã ã«äŒŒãŠããŸãããã€ã³ã¿ãŒãããäžã§å®è¡ããããã¬ã€äžã«ããžã¿ã«ãããŒãç²åŸããã䜿çšãããã§ããŸããããšãã°ãã²ãŒã ããã¬ã€ããããããžã¿ã« ã¢ãŒããè³Œå ¥ããããä»ã®äººã«ãéã貞ããŠããã«çšŒãããšãã§ããŸãã
4. ç°¡åã«è³Œå ¥ããŠéãããšãã§ããŸã
MetaMask ã䜿çšãããšãããžã¿ã« ãã㌠(ã€ãŒãµãªã¢ã ãªã©) ãç°¡åã«è³Œå ¥ããŠãå人ã«éã£ãããããŸããŸãª Web ãµã€ãã§äœ¿çšãããã§ããŸããããã¯ããã¹ã ã¡ãã»ãŒãžãéä¿¡ãããããªãã®ã§ããã代ããã«ããžã¿ã« ãããŒãéä¿¡ããããšã«ãªããŸããããšãã°ãå人ã«ãéãåããŠããå ŽåãMetaMask ã䜿çšããŠå人ã«ããã«éãããšãã§ããŸãã
5. ç§å¯ã®ããã¯ã¢ããã¯ãŒãïŒã·ãŒããã¬ãŒãºïŒ
MetaMask ã®äœ¿çšãéå§ãããšãç§å¯ã³ãŒãã®ãããªç¹å¥ãªåèªã®ã»ãããæäŸãããŸãããŠã©ã¬ããã®ããã¯ã¢ããããŒãšããŠèããŠãã ããããããã®èšèã¯å€§åã«ä¿ç®¡ããŠãã ããã家ã®åéµã®ãããªãã®ã§ããã¡ã€ã³ã㌠(ã³ã³ãã¥ãŒã¿ãŒãæºåž¯é»è©±ãªã©) ãçŽå€±ããå Žåã¯ããããã®åèªã䜿çšããŠå ã«æ»ãããšãã§ããŸãã
6. ãªã³ã©ã€ã³ã§ã®å®å šã確ä¿ãã
MetaMask ã¯ãã€ã³ã¿ãŒãããäžã§ã®å®å šæ§ãç¶æããã®ã«åœ¹ç«ã¡ãŸããããªãã ããç§å¯ã®ã³ãŒãïŒã·ãŒããã¬ãŒãºïŒãæã£ãŠãããããæªè ãããªãã®ãéã«ã¢ã¯ã»ã¹ããããšã¯ã§ããŸãããããžã¿ã«ãããŒãšããŠã¹ãŒããŒããŒããŒã®çŸãæã«å ¥ãããããªãã®ã§ãã
7. éè¡ã¯å¿ èŠãããŸãã
MetaMask ã¯åŸæ¥ã®ãã³ã¯ãªãã§åäœããŸããããã¯ããã±ããã«èªåå°çšã®å°ããªéè¡ãæã£ãŠãããããªãã®ã§ãèªåã責任ãè² ããŸããå®éã®éè¡ã«è¡ãå¿ èŠã¯ãããŸããããã¹ãŠã¯ãªã³ã©ã€ã³ã§èµ·ãããŸãã
8. æ°ããããšãæ¢æ±ãã
MetaMask ã¯ããªã³ã©ã€ã³ã®å¯èœæ§ã®ãŸã£ããæ°ããäžçãžã®æãéããŸããé»åãããŒã䜿çšããããŸããŸãªã¢ããªãã²ãŒã ãã¢ã¯ãã£ããã£ãè©Šãããšãã§ããŸããæ°ãããªã³ã©ã€ã³ã®éã³å Žã«å ¥ããããªãã®ã§ãã
åæ£åã¢ããªãšã¯äœã§ãã?
åæ£åã¢ã㪠(DApp) ã¯ãã€ã³ã¿ãŒãããäžã®å ¬å¹³ã§ãªãŒãã³ãªéã³å Žã®ãããªãã®ã§ãããããã¯ãã§ãŒã³æè¡äžã§åäœããã³ã³ãããŒã«ã匷åããã責任è ã®åã人ãããªããŠãå šå¡ãåãã«ãŒã«ã§ãã¬ã€ã§ããããã«ãªããŸãã
DApps ã«ã€ããŠä»ã«ç¥ã£ãŠããã¹ãããšã¯æ¬¡ã®ãšããã§ãã
1. éåžžã®ã¢ããªãš DApps
æºåž¯é»è©±ã§ã²ãŒã ããœãŒã·ã£ã« ã¡ãã£ã¢ãªã©ã®ã¢ããªã䜿çšããŠãããšæ³åããŠãã ããããããã®ã¢ããªã®ã»ãšãã©ã¯ã1 ã€ã®äŒæ¥ãŸãã¯å人ã統治ããå°ããªçåœã®ãããªãã®ã§ããããŠãDApps ã¯ãåäžã®æ¯é è ã«å±ããªãç¹å¥ãªã¢ããªã§ãããšèããŠãã ããããããã¯ã誰ããçºèšã§ããå ±æã®éã³å Žã®ãããªãã®ã§ãã
2. äžåžã¯ããªããå šå¡ãå ¬å¹³ã«è¡åãã
DApp ã§ã¯ããã¹ãŠã®ã«ãŒã«ã決ããåã人ã¯ããŸãããããã¯ãå šå¡ãéã³æ¹ã«åæãã誰ãã«ãŒã«ãå€æŽã§ããªãã²ãŒã ããã¬ã€ãããããªãã®ã§ããããã¯èª°ã«ãšã£ãŠãå ¬å¹³ã§ããã決å®ã¯äžç·ã«è¡ãããŸãã
3. ãããã¯ãã§ãŒã³ããžãã¯ã§å®è¡
DApps ã¯ããããã¯ãã§ãŒã³ãšåŒã°ãããã®äžã§å®è¡ãããŸãããããã¯ãã§ãŒã³ã¯ããã¹ãŠãæ£çŽã«ä¿ã€éæ³ã®å°åž³ã®ãããªãã®ã§ããããã¯ã誰ããäœãèµ·ãã£ãŠãããã確èªã§ããå ±æããžã¿ã« ããŒãã§ããããã«ãããäžæ£è¡çºãäžæ£ãªãã¬ã€ããã¹ãŠå ¬ã«ãªããããé²æ¢ã§ããŸãã
4. DAppsã®äŸ
5. 仲ä»è ãããªããããããå€ãã®ã³ã³ãããŒã«ãå¯èœ
éåžžã®ã¢ããªã§ã¯ãäŒç€Ÿãªã©ã®ä»²ä»è ããã¹ãŠãå¶åŸ¡ããŠããããšããããããŸãã DApps ã¯ä»²ä»è ãæé€ãããã詳现ãªã³ã³ãããŒã«ãå¯èœã«ããŸããããã¯ã倧ããªåãåããããåºãéããã«ãå人ã«çŽæ¥äœãã売ããããªãã®ã§ãã
6. ããŒã¿ã¯ããªãã®ãã®ã®ãŸãŸ
DApps ã§ã¯ãããªãã®å人æ å ±ã¯ããªãã®ãã®ã§ããããã¯ãããªãã®èš±å¯ãªãã«èª°ãèŠãããšãã§ããªãããªãèªèº«ã®ç§å¯ã®æ¥èšãæã€ãããªãã®ã§ããéåžžã®ã¢ããªã¯ããŒã¿ãåéããŠäœ¿çšããå¯èœæ§ããããŸãããDApps ã§ã¯ããé«ããã©ã€ãã·ãŒãæäŸãããŸãã
7. å°é ãã DApps
çŽ æŽãããç¹ã¯ãæ°ãããšããµã€ãã£ã³ã°ãªå¯èœæ§ãæäŸãã DApps ã䜿çšãã人ãå¢ããŠããããšã§ããããã¯ã倧äŒæ¥ã ãã§ãªãããããã人ã«ãšã£ãŠæ©èœããå šãæ°ããã¢ããªã®äžçãçºèŠãããããªãã®ã§ãã
metamask.io ã¯ä»ã®ãŠã©ã¬ãããšã©ãéãã®ã§ãã?
MetaMask ã¯ããã®ã·ã³ãã«ããã€ã³ã¿ãŒããããšã®ã·ãŒã ã¬ã¹ãªçµ±åããã©ãŠã¶ãŒå ã§ããã«äœ¿çšã§ããå©äŸ¿æ§ã§éç«ã£ãŠããŸããããã¯ãããªãèªèº«ã®æå·é貚ã®æ ã«ãã©ã®æç¹ã«ããŠãäºææ§ãããããã«èšèšãããããã¬ã³ããªãŒãªè¿æã®ãŠã©ã¬ããã®ãããªãã®ã§ãã
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1. ãã©ãŠã¶ããŒã¹ã®å©äŸ¿æ§
MetaMask ã¯ãã€ã³ã¿ãŒããã ãã©ãŠã¶å ã«ååšããç¹å¥ãªãŠã©ã¬ããã®ãããªãã®ã§ããåå¥ã«ããŠã³ããŒãããŠã€ã³ã¹ããŒã«ããå¿ èŠãããä»ã®ãŠã©ã¬ãããšã¯ç°ãªããMetaMask ã¯ãã©ãŠã¶ãŒå ã«ããããããªã³ã©ã€ã³ã§ãã€ã§ãç°¡åã«ã¢ã¯ã»ã¹ã§ããŸãã
2. ãªã³ã©ã€ã³ ããŒãªã³ã°
æå·é貚ãŠã©ã¬ãããããŒãªã³ã°ãšããŠæ³åããŠãã ãããMetaMask ã¯ãã®ãªã³ã°äžã®éµã®ãããªãã®ã§ããããžã¿ã«ãããŒã䜿çšããã€ã³ã¿ãŒãããäžã®ããŸããŸãªãŠã§ããµã€ããã²ãŒã ã®ããã¯ã解é€ããã®ã«åœ¹ç«ã¡ãŸããä»ã®ãŠã©ã¬ããã¯ãŠã§ããµã€ãããšã«åå¥ã®ããŒãæã€ãããªãã®ãããããŸããããMetaMask ã¯ãŠãããŒãµã«ããŒã§ãã
3. 楜ããã¢ããªãšã®å¯Ÿè©±
MetaMask ã¯ãã²ãŒã ããã¬ã€ããããã€ã³ã¿ãŒãããäžã§å®è¡ããã楜ããã¢ããªã䜿çšãããããã®ã«æé©ã§ããããã¯ãã²ãŒã ã»ã³ã¿ãŒã§ããŒã¯ã³ã䜿çšããã®ãšåãããã«ããæ°ã«å ¥ãã®ãªã³ã©ã€ã³ ã²ãŒã ã§ã¢ã€ãã ãè³Œå ¥ããããã®ç¹å¥ãªé貚ãæã€ãããªãã®ã§ããä»ã®ãŠã©ã¬ããã¯ããããã®åªããã€ã³ã¿ãŒããã ã¢ããªã§ã¯ã¹ã ãŒãºã«åäœããªãå¯èœæ§ããããŸãã
4. ãŠã§ããµã€ããšã®ã·ãŒã ã¬ã¹ãªçµ±å
MetaMask ã¯ãå€ãã® Web ãµã€ãã§ã¹ã ãŒãºã«åäœããããã«èšèšãããŠããŸãããªã³ã©ã€ã³ ã·ã§ããã³ã°ãã²ãŒã ããã¬ã€ãããšãã«ãMetaMask ã䜿çšãããšããµã€ããé¢ããããšãªãããžã¿ã« ãããŒã§æ¯æãããšãã§ããŸããä»ã®ãŠã©ã¬ããã§ã¯ããã©ã³ã¶ã¯ã·ã§ã³ãå®äºããããã«ããã«å€ãã®å°é£ãä¹ãè¶ããªããã°ãªããªãå ŽåããããŸãã
5. 䜿ãããããåŠã³ããã
MetaMask ã¯åå¿è ã«åªããããšã§ç¥ãããŠããŸããã·ã³ãã«ã§æ確ãªã€ã³ã¿ãŒãã§ã€ã¹ãåããŠãããããããžã¿ã«ãããŒã®ç®¡çãç°¡åã«ãªããŸããä»ã®ãŠã©ã¬ããã¯ãç¹ã«å§ããã°ããã®å Žåãããå°ãè€éã«ãªãå¯èœæ§ããããŸãã
6. ããŠã³ããŒãäžèŠãæéããã
å¥ã®ã¢ããªãããŠã³ããŒãããå¿ èŠãããäžéšã®ãŠã©ã¬ãããšã¯ç°ãªããMetaMask ã¯ããã€ã¹ãäœåãªãã®ã§æ£ããããŸãããããã¯ãããããã®ã¢ããªãå¿ èŠãšããã«ããã©ãŠã¶ãŒã«ç¹å¥ãªããŒã«ããããããªãã®ã§ãã
7. å®å¿ã»å®å š
MetaMask ã¯ãã·ãŒã ãã¬ãŒãºãšåŒã°ããç§å¯ã®ã³ãŒãã䜿çšããŠããžã¿ã« ãããŒãå®å šã«ä¿ã¡ãŸããããã¯ãããªãã ããç¥ã£ãŠããç§å¯ã®èšèãæã£ãŠãããããªãã®ã§ãä»ã®äººãããªãã®è³éã«ã¢ã¯ã»ã¹ããã®ãå°é£ã«ããŸããä»ã®ãŠã©ã¬ããã«ã¯ã»ãã¥ãªãã£æ©èœãåãã£ãŠããå ŽåããããŸãããMetaMask ã¯ã·ã³ãã«ããšå®å šæ§ã念é ã«çœ®ããŠèšèšãããŠããŸãã
8. ç©æ¥µçãªã³ãã¥ããã£ãµããŒã
MetaMask ã«ã¯ãçžäºã«äœ¿çšããå©ãåã倧ããªã°ã«ãŒããããŸãã質åãããå ŽåããµããŒããå¿ èŠãªå Žåã¯ãMetaMask ã³ãã¥ããã£ã«ããããã®ãªãœãŒã¹ããã¬ã³ããªãŒãªäººã ãããŠãããã«å©ããŠãããŸãã
ãªãã¡ã¿ãã¹ã¯ãŠã©ã¬ãããå¿ èŠãªã®ã§ãããã?
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1. ã¯ãŒã«ãªãªã³ã©ã€ã³ã¢ã€ãã ãžã®ã¢ã¯ã»ã¹
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