Quote from: MARK 777 on October 15, 2017, 11:46:04 AM

1)if bitcoin system Same in all over world why some wallet can control fees and others cant like Blockchain.info ??

Because their dev don't want to or haven't implemented this feature already. Wallets are just a "client" to create transactions and broadcast them to the Bitcoin network. Every coin you have is stored in the Blockchain, and not in the wallet itself. This means that every wallet should be able to do what others do if the dev wants.

Quote from: MARK 777 on October 15, 2017, 11:46:04 AM

2) How wallet work with short word ??

"Your bitcoins or rather, the pieces of code that represent them are not actually stored in your wallet. They are stored on the blockchain, which in turn is stored on node computers all around the world. [...]"

"But its important to understand that the wallet doesnt actually contain your bitcoin. It contains permission to spend your bitcoin. And if you lose access to that permission to spend, then you effectively also lose your bitcoins, because you no longer have access to them. That is why it is so important to keep the keys secure. [...]"

Source: http://www.fintechblue.com/2016/02/how-does-a-bitcoin-wallet-work/

Other quick video with an easy explanation: https://www.youtube.com/watch?v=A1Pl5hYHXiI