Blockchain nodes can often be thought of as the “wizard behind the curtain” when it comes to everyday cryptocurrency transactions. In a very real way, nodes serve as the backbone of the entire blockchain. From validating transactions and updating decentralised ledgers to storing data and transmitting information across the vast crypto ecosystem, the blockchain would quickly cease to function without the presence of these nodes.
Considering the sheer amount of information that these nodes hold at any given time, security is another core concern. What are some of the current threats that must be thwarted, and how do nodes ensure that nothing is left to chance? Let’s take a closer look.
Surprising Risks
Some users may assume that the blockchain is automatically immune to security threats due to its decentralised (and transparent) nature. While this is true to an extent, risks still exist; especially when referring to network-wide dangers. Consider the following scenario
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