SUB is an open source project that allows users to both purchase and contribute their computer's resources to the network. Contributors benefit by being paid in cryptocurrency when they run a node, and purchasers benefit because the cost of a shared network is far cheaper than that of a commercial entity like AWS by Amazon.
This also allows for the hosting of free speech content through a decentralized platform that's harder to be taken down. A Substratum investment is an investment in a decentralized, secure and free internet for all.How to buy?
You can buy Substratum on a number of exchanges. This includes many high-volume providers that most investors will be accustom to using. Bitcoin and Ethereum are the top trading pairs.
SUB is an ERC20, and as such, you can store it in any wallet that is compatible with Ethereum assets. A few popular choices include My Ether Wallet, MetaMask, the Coinomi mobile application, and Ledger hardware wallet.