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Is Blockchain a cryptocurrency?Blockchain is not a cryptocurrency but a technology that makes cryptocurrencies possible. It's a digital ledger that records every transaction seamlessly.
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"This is a time when you think, 'Thank God the US doesn't have a state-owned oil company,'" she says. "They need the private sector, but for the moment, the private sector isn't budging. And what company in their right mind is going to put money into Venezuela?"
Finding these optimization opportunities can itself be a significant undertaking. It requires end-to-end understanding of the spec to identify which behaviors are observable and which can safely be elided. Even then, whether a given optimization is actually spec-compliant is often unclear. Implementers must make judgment calls about which semantics they can relax without breaking compatibility. This puts enormous pressure on runtime teams to become spec experts just to achieve acceptable performance.
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