The blockchain is designed to decentralize transactions which are recorded to a public ledger visible to everyone, where the market for this new technology is expected to be worth $2.3 billion by 2021. The promise of blockchain is to provide anonymity, security, privacy and transparency to all users.
However, the positive characteristics lead to various technical challenges and limitations that need to be researched and addressed. A recent paper by Yli-Huumo et al. uses a systematic mapping study to find relevant material within scientific databases to examine research undertaken so far on the technical challenges facing the blockchain...
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https://btcmanager.com/news/tech/where-does-current-research-stand-on-blockchain-technology/
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