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Sure, that doesn't contradict what I said. They have been around for years, and they are very expensive and almost all systems do not use them.
by catern 5y ago
Sure, that doesn't contradict what I said. They have been around for years, and they are very expensive and almost all systems do not use them.
- anonymousDan 5y agoThey are a lot more efficient than bitcoin. But agreed, not cheap.