Mastering Blockchain Programming with Solidity

When not to use blockchain

Use blockchain technology as a tool for the development of specific scenarios. As we have seen in previous sections, blockchain technology can solve some problems where you want to replace an intermediary/middleman/TTP and do P2P value transfer transactions. This also includes problems where it is possible to replace existing trust with software-defined trust, using smart contracts. 

You should not use Blockchain to replace your existing database. If your specification requirements can be solved with other software tools and techniques, then you should use those only. If there is no requirement for blockchain in your system architecture, avoid using it. For example, you do not need blockchain when building very ...