Chaum’s 1985 paper “Transaction Systems to make Big Brother Obsolete” is included as recommended reading for aspiring cypherpunks — along with 1984, The Shockwave Rider, Atlas Shrugged, and True Names. While David Chaum’s work inspired the Cypherpunk movement and efforts to create electronic cash, DigiCash did not rise to success.
Indy isn’t just another blockchain identity application, but is born of a richly interwoven fabric stretching across the identity standards, cryptographic, blockchain, humanitarian, and enterprise ecosystems — similar to the network it was built to enable.
There are currently ten projects under the Hyperledger umbrella: five distributed ledger frameworks, and five tools. Among its frameworks are Fabric, Sawtooth, Indy, Burrow, and Iroha. Its tools include Caliper, Cello, Composer, Explorer, and Quilt.