Technical Interview Questions
No, it is not possible to give restriction for keeping records in the blockchain approach. We can put any type of data on a blockchain such as Bank records, health records, images, Facebook messages, etc. Some of the common types of records which can be kept in the blockchain are: Records of medical transactions Transaction … Read more
Yes, it is possible to remove a complete block from a network. There are times when only a specific portion of this online ledger is to be considered. There are default options and filters that can help us do this without making a lot of efforts. No, in a blockchain network, it is not … Read more
No, it’s not possible to modify the data in a block. In case any modification is required, you would have to erase the information from all other associated blocks too. In a typical blockchain, once a block is added to the chain, its data is considered immutable. The cryptographic hash of each block is … Read more
Blocks can be identified by their block height and block header hash. In a blockchain, blocks are typically identified through a combination of their block number and a unique identifier called a cryptographic hash. Here’s a brief explanation: Block Number: Each block in a blockchain is assigned a unique sequential number, known as the … Read more
Each block in the blockchain consists of a hash value. The hash value acts as a link to the block which is before it, transaction data and in fact a stamp of time. In a blockchain approach, a block is typically recognized through a combination of factors, including its structure, content, and cryptographic mechanisms. … Read more