Estimating the price of a piece of art is extremely hard. This is even more so for digital artworks that are intended to be traded as non-fungible tokens (NFTs). EvaluateNFT is an application that helps digital artists and NFT investors to make informed pricing decisions for such assets. It does…

Digital artworks traded as Non-Fungible Tokens are notoriously difficult to price. EvaluateNFT aims at solving this problem with the help of Machine Learning — Art NFTs are a low-velocity asset class that is very difficult to price The global market for Non-Fungible Tokens (NFTs) has exploded lately. The total NFT trading volume in 2021 reached $22B, up from $100M in 2020. This volume has been largely dominated by NFTs categorised as art and collectibles (Hays et al. 2021; Nadini et al. 2021).

Using R Blockchain transaction times series often show conspicuous changes in their mean levels and volatility. Usually, such structural changes simply reflect the normal behaviour of blockchain users. In some cases, however, they may indicate that the blockchain is under attack by malicious agents. One of the recent examples of…

…through the eyes of a Data Scientist — As discussed in one of my previous articles, blockchains generate a wealth of high-quality data that Data Scientists can use to answer a wide range of questions of both academic and practical importance. …

Introducing geckor, an R package to query the CoinGecko API — Motivation With the recent boom and crash of Bitcoin, cryptocurrencies have attracted lots of attention from the general public, retail and institutional investors, researchers, and regulatory bodies. Despite all the controversies, the very idea of cryptocurrency as a digital asset and medium of exchange with no centralised control over it is…

Data Science and blockchain technology are made for each other. But just how many and what kind of real-world applications are out there? — Blockchain technology is a hot topic nowadays, especially with the recent boom in decentralised finance, the exponential growth of Bitcoin and other cryptocurrencies, and the ongoing NFT craze. From a Data Scientist’s perspective, blockchains are also an exciting source of high-quality data that can be used to tackle a wide…

Just use the R package tronr — Blockchain transactions are records of interactions between two or more addresses. On the TRON blockchain, there are typically two interacting addresses and the interactions between them can take many different forms (e.g., creation of new accounts or assets, triggering of smart contracts, transfer of assets, etc.). …

Just use the R package tronr — Just like with any other blockchain, transactions on the TRON network are organised into blocks. Blocks are logical units that can be thought of as pages in a ledger. Each block has an ID and a timestamp and contains information on transactions that took place within a certain period of…

Just use the R package tronr — The account balance is one of the most interesting and important types of data that one can collect from a blockchain. …