IEEE Spectrum has a special report about blockchains: https://spectrum.ieee.org/static/special-report-blockchain-world https://spectrum.ieee.org/static/special

IEEE Spectrum has a special report about blockchains: https://spectrum.ieee.org/static/special-report-blockchain-world https://spectrum.ieee.org/static/special-report-blockchain-w... It goes into permissioned ledgers and smart contracts, among other applications.