1: Siacoin-Sia splits apart, encrypts, and distributes your files across a decentralized network. Since you hold the keys, you own your data. No outside company can access or control your files, unlike traditional cloud storage providers
2 Dogecoin-Dogecoin is a decentralized, peer-to-peer digital currency that enables you to easily send money online. Think of it as "the internet currency."
3 However, unlike Bitcoin, the source code of Ripple's technology is owned privately by the company, which means that it cannot be verified by any outsider.