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Americana Chen

Current Concerns Regarding Blockchain’s Energy Consumption

One of the biggest criticisms of blockchain technology is that the process of mining and proof of work requires large amounts of computation power, which consumes enormous electricity. The university of Cambridge has developed a live Bitcoin network power, and according to its historical records, Bitcoin’s energy consumption rose from…


2020 was a decisive year for businesses as they faced worldwide lockdowns and restrictions on operations — countless businesses have not been able to withstand pressure from the pandemic.

Nevertheless, whenever there is a challenge, there is also an opportunity.

Government, consumers, and society as a whole have become more aware of sustainability issues, and this could be a critical turning…


Nowadays, we hear about SUSTAINABILITY everywhere, everyday, on every news headline. But how do we define the scope of sustainability? After listening to the sustainability summit , I suggest that a crucial component of the definition would be ‘interconnectivity’.

In its essence, sustainability concerns the interaction between “us” and “the…


Sustainable Transformation: An urgent transformation that businesses should prioritize

Sustainable transformation is not a new topic, we have come to realize the problem of climate change since the 19th Century, when we first identified the impact of natural greenhouse effect. However, it wasn’t until recent years that we saw an unprecedented increase in pressure towards businesses in leading the…


Beginner’s guide for beginners

A typical path for data scientists is to go from exploratory data analysis to machine learning, to deep learning and then to reinforcement learning, just like the structure of machine learning courses like the famous Andrew Ng ‘Machine Learning’ course. Going from machine learning to deep learning is often more…


***This article follows from one of my previous article “Unleash the Potential of AI in Circular Economy: Businesses Potentials”, where I introduced the concept of a circular economy, discussed why this urgent transformation is needed, and how Artificial intelligence could be used by businesses to promote this evolution. If you…


A review on MIT Open Courseware — 6.0001: Introduction to Computer Science and Programming in Python (with my notes shared)

As an ambitious beginner data scientist, it is very common to start your journey in data science by looking up online courses on data analysis. If you search for data science courses on platforms such as Edx, Coursera, they cover a wide variety of skills for every level of expertise…


1. A brief introduction to Central Bank Digital Currency (CBDC)

As the focus of this article is to explore the current landscape of Central Bank Digital Currencies, this will only be a short and general explanation of what is CBDC.

In short, CBDC is a digital variation of Central Bank Issued Currency that differentiate itself from traditional physical form of…


A visualized tour into the world of the top 50 Blockchain Companies in 2020

Blockchain Technologies had seen rapid growth in 2020, the size of the Blockchain Technology market worldwide expanded from 1.2 billion USD in 2018 to 3 billion USD in 2020. It is expected to see further growth…

Americana Chen

University College London -> BSc Economics and Statistics / Focus: data science, finance, economics, fintech, sustainability/ Linkedin: @Americana Chen

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