That picture with block chain can be facelifted. Also it looks very much alike those imprisoned inmate entry pictures, except user is self-policing. My 5p, use

That picture with block chain can be facelifted. Also it looks very much alike those imprisoned inmate entry pictures, except user is self-policing. My 5p, use steganography on picture to embed actual blockchain piece, to add protection against facelifting. Do not hold it on picture.