Blockchain infrastructure company is a services providers maintain and coordinate access to the infrastructure that power blockchain such as Nodes, bundles and dev tools with the underlying infrastructure needs their operating system
Top block chain Companies names
How block chain companies work
Most of the block chain Companies earn money by contract agreement like different block chain companies make money by signing the contract with other companies. Their work for other companies is to provide blockchain infrastructure by developing and Designing the applications of blockchain.blockchain companies host the companies for a limited time by signing the agreements.
what is blockchain
Chain of Blocks which have the information is called blockchain. Simple example is that the Ethereum block contains the information of all the Sender, Receiver and number of bitcoins to be transfered.
Genesis Block is the 1st block of the chain.