Several identity protocols, from crypto startups to big tech solutions, deal with decentralized identification, and each has its specifics and features.
Though the decentralized identity technology is fairly new, initiatives and players in the decentralized identity space, software for implementing decentralized identity wallets and supporting services are plentiful. They range from the Hyperledger open-source developing community, through a range of decentralized identity protocols and startups, to some of the biggest names in the industry.