Blockchain

A device, comprising:

• a device body;
• an accelerometer coupled to the body;
• a camera to capture an image;
• a wireless transceiver;
• and
• a processor coupled to the body and associated with a blockchain with a blockchain address for a secured transaction by accessing data, content, or application stored in a cloud storage;
• authorizing a first client device;
• receiving an authorization request from the first client device;
• generating an authorization key for accessing a cloud server and storing the key in a blockchain;
• providing the authorization key to the first client device;
• receiving the authorization key from a remote device as a second client device working as an agent of the first client device;
• granting access to the second client device based on the authorization key;
• receiving code and data associated with an application or content identified in a blockchain, and running code with the data.