What are the biggest scalability issues faced by cryptocurrencies built on blockchain technology?

3 answers

• Ryan NystromMay 05, 2025 · 7 months ago
  One of the biggest scalability issues faced by cryptocurrencies built on blockchain technology is the limited transaction processing capacity. The current design of many blockchain networks, such as Bitcoin and Ethereum, imposes a limit on the number of transactions that can be processed per second. This limitation leads to slower transaction confirmation times and higher fees during periods of high network activity. Scaling solutions, such as the Lightning Network for Bitcoin and Ethereum 2.0, are being developed to address this issue and increase the transaction throughput.
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• Blanchard HaslundJan 16, 2021 · 5 years ago
  Scalability is a major concern for cryptocurrencies built on blockchain technology. As the number of users and transactions increases, the blockchain network can become congested, resulting in slower transaction times and higher fees. This scalability issue hinders the widespread adoption of cryptocurrencies for everyday transactions. Various approaches, such as sharding and off-chain solutions, are being explored to improve scalability and enhance the performance of blockchain networks.
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• Ross UpchurchJun 28, 2021 · 4 years ago
  From BYDFi's perspective, one of the key scalability issues faced by cryptocurrencies built on blockchain technology is the need for efficient consensus mechanisms. Traditional proof-of-work consensus algorithms, like those used by Bitcoin, consume a significant amount of computational power and limit the transaction processing capacity. BYDFi is actively researching and implementing alternative consensus mechanisms, such as proof-of-stake, to improve scalability and reduce the environmental impact of cryptocurrency mining.
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