In this chapter, we were introduced to alternative blockchains. We discussed the various use cases of blockchains other than cryptocurrency. Some of these included government, healthcare, medical research, supply chains, copyright, fine art, shipping, energy, and so on. As well as this, we discussed Ripple, which is a new blockchain used for fast payments and offers various modifications and improvements compared to the Bitcoin blockchain. After that, we discussed the Stellar payment protocol and its prime properties, which help to accelerate payments in Stellar. Tendermint is another blockchain software, which was discussed and brought to our attention.
In the next chapter, we will discuss, in detail, Hyperledger and some of the prominent projects based on the Hyperledger protocol. We will also discuss detailing and other parameters of the Hyperledger protocol.