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RFID stands for RADIO FREQUENCY IDENTIFICATION .In this modern era,technology change the world into global village.Technology is the only thing to change this planet from stone age to modern science age.modern science and many discoveries and inventions replace the era.It makes very comfortable to people.now we should not have to go bank to withdraw cash and others stuffs.A single card can do the millions of transactions.A code can be money and invisible money.But science doesnot brought only advantages but there are serious disadvantages too.The main problem are HACKING. Yeah everything in the modern science are hackable. The computers can be hacked,mobile phones can be hacked,and all the electronics devices can be hacked.
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In case of your cards like Master cards ,debit cards,credit cards,All care hackable. there are lots of stuffs which are used to hack.If hacker come close to he can hack your card only by swipe his RFID reader device nearby you stand.cards are made up of small magnetic strips and its can only read by particular machines.but as we know machines can be hacked.SO there is one product in the market which is called RFID which prevent to pass any signals and frequencies through it.If it prevents signal to pass through it then no one can hack or steal your card information and duplicate it.
For Example:-
If you wrapped your phone with aluminium sheet and try to call in wrapped phone,you will be unable to make call because aluminium sheet blocks all the signal of your phone and donot let it pass through it.this is the main principle of RFID wallets. It is the basic faradays cage.
You can make secure your cards in RFID wallets and secure your money.....
https://www.youtube.com/channel/UCW2u59kUwyChzWe0Yvj5IkQ
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