Bitcoin does not require authorization from designated personnel, it is a peer to peer network. It is public hence anybody can store it on their computer and create a new bitcoin address. Transactions can be made without any approval and to avoid frauds the network confirms its authenticity. To do so each transaction is recorded by bitcoin blockchain.
Ease of transactions
At once more than one transaction can be made however one Transaction = input + output, the accountant holder feeds the designated address and the number of bitcoins to be transferred are outputs. To avoid double spending each input must indicate a foregoing unspent output in the blockchain.
Depletion in addition interest fees
The transactional fees are optional. The accountant holder can choose interest fees based on the storage size. Along with that converting btc to inr is also not very difficult.
Digital testimonial account for each individual
A digital wallet stores all the important information to transact bitcoin for each individual account. As blockchain is a public ledger uses a public key cryptography to generate two types of keys. A bitcoin wallet is the collection of these public and private key that is generated due cryptographic functions. A private key is necessary to spend bitcoins offline; it is generated only on a computer which has no internet access, and it is printed or written and erased from the computer.
Hence, securing the paper wallets to a private location becomes important.