Saikrishna Reddy

Simply, a Merkle Tree is a data structure that allows us to make efficient verifications that data belongs in a larger set of data.

Eth2 is a long-planned upgrade to the Ethereum network, giving it the scalability and security it needs to serve all of humanity. The first stage of Eth2, called Phase 0, is planned to launch in 2020.

You need 2 main components to interact with Ethereum network . 1.) Web3 instance and 2.) A Provider.

A digital signature is a cryptographic mechanism used to verify the authenticity and integrity of digital data. We may consider it as a digital version of the ordinary handwritten signatures, but with higher levels of complexity and security.

Yes, composer deprecated but it makes your understanding easy. So, have a look <img src="https://img.icons8.com/plasticine/100/000000/fat-emoji.png">

These are the list of apllications I use on my laptop(ubuntu budgie-19.04). Have a look!...

Blockchains are terrible at storing large amounts of data. Seriously, they’re really bad at it. For example, depending on the cost of Ether, you’re looking at a cost of hundreds (if you’re lucky) to [thousands of dollars per megabyte](https://ethereum.stackexchange.com/questions/872/what-is-the-cost-to-store-1kb-10kb-100kb-worth-of-data-into-the-ethereum-block) (MB) of data you put on Ethereum. But, see how **IPFS** rescues blockchain here.