What are some alternatives?
When comparing Crystal Blockchain and Postchain, you can also consider the following products
Blockpit - Keep track of your crypto portfolio & taxes in one place
Cryptowerk HORIZON - Seal and Verify Authenticity of Digital Data & Assets at Scale with Cryptowerk's Horizon Seal, the leading blockchain based data integrity solution.
Elliptic - Making it easier for enterprises to use digital currencies
BlocMonitor - Blockchain Analysis
Ciphertrace Platform - The Blockchain Security Company
Alethio - Powerful blockchain data, analytics & visualization platform