Thus, when it comes to Bitcoin advertising it is mostly online and effective tool for the companies that are delivering any sort of services or goods for Bitcoin. A lot of big companies use Ethereum, such as Microsoft, JP Morgan, Toyota and Samsung. With Ethereum Wallet, users can easily hold and secure ether and other crypto-assets built on Ethereum, as well as write, deploy and use smart contracts. A fundamental consensus mechanism for Ethereum, https://youtu.be/C1JysqN-4Qc EVM is a 256-bit register stack which is designed to run the same code exactly as it is intended. Multiple voting based consensus mechanisms.