The most acute problem with this technology which the industry has only recently started tackling is the baffling electricity consumption it requires to maintain the PoW blockchain.
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In the following article Kaspersky’s Alexey Malanov walks us through the in’s & outs of blockchain security. Notice #5 which talks about mining pools as an undermining factor of blockchain integrity. Enlightening.
In this article, Richart Lumb of the NY Times reviews the immutable records of the blockchain might present a hurdle in complying with government regulations and clashing with the GDPR specifically.
While demand of blockchain developers is growing exponentially, the supply is short and far in between, this is a point of friction to whoever wants to find a technical partner or CTO for a blockchain project, no matter how many VC funds might be interested in the project.
Consensys Academy is one of the efforts attempting to solve this problem by education developers on blockchain technology
Currently, we have separate blockchain that cannot communicate with each other, which presents a hurdle not just in buying cryptocurrencies interchangeably but also in working on solutions of enterprise and government markets, without a standardized form of communication between blockchain networks, the scope of several detached projects is where it ends.
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