What nuances and secrets you know
Using paper wallet and then store the private key safe like store my private key in the flashdisk and i've private grup facebook which only me there store. my private key also my private data
bitcoin us a name of safety its a digital currency and a safe money to use its good easy and safe to use a lot of people want to invest their money in bitcoin just because its safe and secure to keep hold for long term and for this purpose there are a lot of hardware wallets are now available in market.