![Marijuana buds and blocks of hash isolated on black background. Concept of comparison or difference between weed and hashish with copy space top Stock Photo - Alamy Marijuana buds and blocks of hash isolated on black background. Concept of comparison or difference between weed and hashish with copy space top Stock Photo - Alamy](https://c8.alamy.com/comp/2BN3WA2/marijuana-buds-and-blocks-of-hash-isolated-on-black-background-concept-of-comparison-or-difference-between-weed-and-hashish-with-copy-space-top-2BN3WA2.jpg)
Marijuana buds and blocks of hash isolated on black background. Concept of comparison or difference between weed and hashish with copy space top Stock Photo - Alamy
![1 The structure of a Blockchain. A block is composed of a header and a... | Download Scientific Diagram 1 The structure of a Blockchain. A block is composed of a header and a... | Download Scientific Diagram](https://www.researchgate.net/publication/337306138/figure/fig1/AS:825909783310336@1573923645768/The-structure-of-a-Blockchain-A-block-is-composed-of-a-header-and-a-body-where-a-header.png)
1 The structure of a Blockchain. A block is composed of a header and a... | Download Scientific Diagram
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Mined blocks in a blockchain. Hash in each block now starts with five... | Download Scientific Diagram
![A simplified example of how blocks are chained to form a blockchain.... | Download Scientific Diagram A simplified example of how blocks are chained to form a blockchain.... | Download Scientific Diagram](https://www.researchgate.net/publication/332215097/figure/fig1/AS:744141482893312@1554428563308/A-simplified-example-of-how-blocks-are-chained-to-form-a-blockchain-Notice-that-each.png)
A simplified example of how blocks are chained to form a blockchain.... | Download Scientific Diagram
![blockchain - Are transactions included in a block or is only the Merkle-root hash included in a block - Bitcoin Stack Exchange blockchain - Are transactions included in a block or is only the Merkle-root hash included in a block - Bitcoin Stack Exchange](https://i.stack.imgur.com/KP2ed.png)