In what way are avatars a priÂvaÂcy risk? To disÂplay an avatar imÂage, you pubÂlish an enÂcryptÂed verÂsion (MD5) of the e-​mail adÂdress in the gravatar’s imÂage URL. Gra​vatar​.com then deÂcides if there is an avatar imÂage to deÂlivÂer, othÂerÂwise the deÂfault imÂage is deÂlivÂered. The deÂfault image’s adÂdress is alÂso part of the overÂall graÂvatar …