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Articles tagged with #distributed-system
Introduction The basic idea of blockchain is very simple: a distributed immutable ledger that maintains a continuously growing list of records. the ledger is distributed among multiple peers Distributed Consensus Now, some of these peers might be evi...
![[Python Block Chain] Part 1 : The Basic Blockchain](https://cdn.hashnode.com/res/hashnode/image/unsplash/OqtafYT5kTw/upload/v1639091485679/Ly_4WnlWl.jpeg)
In this article I will be talking about the basic concepts that are used within a Blockchain. Hash Functions A hash function is any function that can be used to map data of arbitrary size to fixed-size values. The values returned by a hash function a...
![[Understanding Blockchain] Part 2 : Basic Blockchain Concepts](https://cdn.hashnode.com/res/hashnode/image/unsplash/JNxTZzpHmsI/upload/v1638832184055/siV6Lr2Zf.jpeg)
You would have been living in an underground cave for the past 10 years if you havn't heard about cryptocurrencies. We all heard about Bitcoin, Ethereum and the rest of the crypto currencies. At the time of writing (2021-12-05) the price of 1 Bitcoin...
![[Understanding Blockchain] Part 1 : What Is Blockchain](https://cdn.hashnode.com/res/hashnode/image/unsplash/gogwOet3mkM/upload/v1638743142562/WHVNrAg_g.jpeg)
One of the problems that we come up against when designing scalable & highly available systems is how can we partition and replicate data in our systems. Data partitioning is the process of distributing data across a set of nodes while Data Replicati...
![Software Architecture Concepts: [ Part 7] Consistent Hashing](https://cdn.hashnode.com/res/hashnode/image/upload/v1638222366108/qvGS6b1_H.png)
In distributed systems, failures will occur, e.g., servers can crash, disks can go bad resulting in data losses, or network connection can be lost, making a part of the system inaccessible. How can a distributed system model itself to get the maximum...
![Software Architecture Concepts: [ Part 6] CAP Theorem & PACELC Theorem](https://cdn.hashnode.com/res/hashnode/image/upload/v1637606952997/E9zSj7lIb.png)
In this blog post we I will talk about some key characteristics of a highly scalable distributed system in particular: Scalability Read Part 4 Reliability Availability Efficiency and Manageability. Scalability Scalability is the capability of a sys...