Data Science and Blockchain Blog

How to Python jail escape (Newbie CTF 2019)

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How to Python jail escape (Newbie CTF 2019)

Python jail escape: a challenge with one of the lowest points in the Newbie CTF 2019 which we solve in this article. We use built-in methods.

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A How to efficientnet Keras Classification

image classification keras Python efficientnet data computer vision tensorflow data science efficientnet keras

A How to efficientnet Keras Classification

We discuss Convolutional Neural Networks, data augmentation, efficientnet classification and how to achieve 100% accuracy.

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Pavel Fedotov

Simple QR code generator on AWS with Flask

Python flask AWS QR code Casper blockchain PIL IO base64 github Elasticbean encoding http BytesIO web app github pipeline aws qr code generator python qr code generator simple qr codes qr code generator python

Simple QR code generator on AWS with Flask

Web application in Flask python to generate qr code for Casper network. We host the application at on AWS Elasticbean with GitHub pipeline.

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Pavel Fedotov

Simple Blockchain data indexing with TrueBlocks

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Simple Blockchain data indexing with TrueBlocks

In this article we discuss Blockchain data indexing. Blockchain is a type of a shared database that differs from a typical database.

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Pavel Fedotov

How to implement Realized Volatility python

Python finance volatility realized volatility realized volatility formula volatility python Pandas NumPy SciPy quarticity estimators calculate realized volatility

How to implement Realized Volatility python

Volatility estimators are especially valuable in modelling financial returns and capturing time-variability of financial series.

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Pavel Fedotov

Simple App with Ceramic Data Model and Unstoppable Domains - DSPYT

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Simple App with Ceramic Data Model and Unstoppable Domains - DSPYT

Ceramic allows users to have complete ownership over their data by providing decentralized technologies for authentication and data storage.

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Aurora — EVM on the NEAR Protocol blockchain

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Aurora — EVM on the NEAR Protocol blockchain

Aurora delivers Ethereum-compatible, high-throughput, scalable and future-safe platform, with low transaction costs.

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Pavel Fedotov

Cross-sectional data – An easy introduction

data kaggle econometrics time series analysis data science cross sectional data cross section data example cross sectional regression cross-sectional data examples

Cross-sectional data – An easy introduction

In this article we are introducing the concept of cross sectional data. A cross sectional data example consists of a sample of units at a given point in time.

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Pavel Fedotov

Kaggle time series data – An easy introduction

Python time series econometrics data data science kaggle forecasting Time Dependence Bitcoin cryptocurrency Stock prices macroeconomic aggregates statsmodels matplotlib acf plot_pacf

Kaggle time series data – An easy introduction

A time series is a collection of observations on at least one variable ordered along single dimension, time. Time series forecasting is invaluable method.

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