In each transaction you are the one to set the commission. The higher it is, the faster is the transaction. This feature is available only for Bitcoin transfers.
- The recommended minimum commission for Bitcoins transfers is 0.0005 BTC.
- The Commission depends on the network load and is not usually more than 525000 Gwei (~0.18$)
- JSON format for Ethereum.
- For Bitcoin you can add any format applicable to Paymon or similar mobile apps.
With the help of a cold wallet you will be able to keep cryptocurrency on physical carriers. They don’t have access to the Internet, which means that hackers won’t be able to reach it.