“Digital Currency” Recently, Digital Currency is proceeding, but limited to wallets for purchase. To proceed more, digital currency must be applied to assets classes. Then, paper and coins currency can be invalid. If digital currency is applied to assets and used in smartphones, various types of Bonds and Securities are possible. Digital Currency is associated with Personal Information, and it causes fear and intrust to own government for some people. This problem can be solved by fear to lose money. If paper and coins are invalid, people must use digital currency. To proceed Digital Currency, deleting trust for Bitcoin is good way. Bitcoin is used for dark money, and not in control by trustable organizations. Digital Currency by government can compete Bitcoin if the government is trustable. In addition, Bitcoin has several deep security risk by hackers. Roll back is impossible when hackers steal Bitcoin.
2017/3/31. Breaking prison's game 2 Roles and rules 3 roles and rules 1 ) Guards:Protecting the prison's society ;( G ) 2 ) Prisoners ( Helpers ) : Helping the guards ;( H ) 3 ) Prisoners ( Weaks ) :Orthodox prisoners ;( P ) Situations and actions The walls that were protected by ( G ) are such like laws , society's rules and customs. Walls have 2 purposes , to protect from enemies of outside and to prevent not to escape for outside. Walls make the society. If walls are breaking by some reasons , such like huge debits of prison , ( G ) 's aging and so on , what does ( G ) will do ? ( G ) will protect his secret wealths in soon without telling ( H ) & ( P ) and prolong walls. Stages in breaking walls ( 1 ) Initial stage: Stating of breaking ( G ) moves his secrets wealth in safety places. ( 2 ) Intermediate stage: Some ( H ) notices that walls are breaking ( H ) moves his wealth in small dangerous places.