Techniques for rapidly delivering broadcasted live content are described. In an example, a transaction request to create placeholder non-fungible tokens (NFTs) in a token repository (106) is sent, where NFTs represent unique digital items. In response to the transaction request, an address allocated to a placeholder...

A computer-implemented method comprises detecting a movement of an image sensing device in a time period immediately before, during and/or immediately after a capture of at least one image or video by the image sensing device, detecting a spoofing attack based on analysis of the detection of any movement of the imag...