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Update README.md

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johnshearing committed Nov 22, 2019
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@@ -69,7 +69,7 @@ As mentioned above you don't need battery power provided by all the special wiri
[This Video](https://www.youtube.com/watch?v=_vA4tTLdL2M) shows how an offline transaction is made on the Ethereum blockchain using the first prototype of the PrivateKeyVault. The procedure for making an offline transaction using the newer Vault or using a plain raspberry pi 2 is still the same so have a look if you want to see how an offline transaction is made on the Ethereum blockchain.
[Basic support for the IOTA tangle at the NodeJS console is here.](https://github.com/johnshearing/IOTA-Airgapped-NodeJS-Console-Wallet)
[A client/server multi-signature wallet suitable for government, enterprise, and individuals is under construction.](https://github.com/johnshearing/iotaAirgappedClientServerWallet)
[A client/server multi-signature wallet suitable for government, enterprise, and individuals is under construction.](https://github.com/johnshearing/IOTA-Secure-Airgapped-Accounting-and-Banking-System)
The PrivateKeyVault has a touchscreen on one side, and a camera on the back. It is battery powered or powered by AC. The unit is self-contained. Everything required to make keypairs, make keystore files, and make encrypted offline transaction instructions is built into the machine. So there is never a need to show your private keys to any other device. There is no WiFi nor Bluetooth - just a camera, a touch screen, and a keyboard for input and qr-codes displayed on the screen for output. Account numbers are scanned in through the camera in the form of qr-codes or entered manually through on the keyboard. Encrypted transaction instructions are displayed on the touch screen in the form of qr-codes to be scanned into a smartphone. A smartphone scans the qr-code containing the encrypted instructions and broadcasts those instructions to the Ethereum blockchain. If the miners can decrypt your transaction instructions using your public key then they know that you are in possession of the private key without needing to see it. It is easy and quick to use but is also as safe as any cold storage method because all work with the private keys are done on this air-gapped machine and never shown to any other device. And because you never plug into a computer as is required with hardware wallets, you never have to worry about key loggers, remote viewing or remote control, nor do you need to worry about unknowingly transacting with a phony website pretending to be the digital wallet you normally use.

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