Alternative Distributed Ledger Technologies Blockchain vs. Tangle vs. Hashgraph - A High-Level Overview and Comparison

Abstract

The Blockchain technology will soon be ten years of age. What does not sound a lot in absolute terms is a substantial age in a fast-paced and ever changing technological environment. Large unnoticed by the majority of authors on distributed ledger technologies two alternative technologies have recently emerged: Tangle, and Hashgraph. This article provides an introduction to the three main alternative distributed ledger technologies, Blockchain, Tangle and Hashgraph and yields a high-level comparison.