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Starting this summer, the government(Japan) will test a system in which foreign tourists will be able to verify their identities and buy things at stores using only their fingerprints.
The government hopes to increase the number of foreign tourists by using the system to prevent crime and relieve users from the necessity of carrying cash or credit cards. It aims to realize the system by the 2020 Tokyo Olympic and Paralympic Games.
The experiment will have inbound tourists register their fingerprints and other data, such as credit card information, at airports and elsewhere.
Tourists would then be able to conduct tax exemption procedures and make purchases after verifying their identities by placing two fingers on special devices installed at stores.
As genetic databases become increasingly common in other countries (over 60 countries are now operating one) the sharing of data between international police forces is likely to increase. This may increase the vulnerability of databases to abuse and hacking. It also introduces the challenge of differences in the rules for holding data which vary greatly between different countries. Although one standard may apply in the UK, it may not apply elsewhere.
Researchers said DNA molecules can store information many millions of times more densely than existing technology for digital storage, such as flash drives and hard drives, as well as magnetic and optical media.