Zcash supports two types of addresses. Transparrent addresses (t-add) and private addresses (p-add). See how to set up a wallet with both kind of addresses.
The blockchains need all transactions to be recorded on the blockchain. Raiden network, similar to lightning network, uses payment channels to make payments off-chain, It's very interesting to see how it works.
Pirl is the first Ethash based Masternode Crypto, inspired by the Ethereum project. Pirl is ASIC resistant, built on an entirely new chain, and harnesses the power of Smart Contracts. Learn how to mine it.