Kategorie: blockchain
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Secure Blockchain Analytics
Blockchain analytics has become a trending topic in recent years. This topic is of interest not only for public blockchains, such as Bitcoin or Ethereum and their Altcoins, but also for private/permissive blockchains based on various technologies. Nevertheless, there are many challenges involved, such as the large data volumes, the inefficient format for analytics, state…
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HadoopCryptoLedger library a vision for the coming Years
The first commit of the HadoopCryptoLedger has been on 26th March of 2016. Since then a lot of new functionality has been added, such as support for major Big Data platforms including Hive / Flink / Spark. Furthermore, besides Bitcoin, Altcoins based on Bitcoin (e.g. Namecoin, Litecoin or Bitcoin Cash) and Ethereum (including Altcoins) have…
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Blockchain Consensus Algorithms – Proof of Anything?
Blockchains have been proven over the last years to be stable distributed ledger technologies. Stable refers to the fact that they can recover from attacks and/or bugs without compromising their assets. They are most commonly known for enabling transaction with virtual cryptocurrencies not issued by a central authority. Popular examples are Bitcoin and Ethereum. However,…