Questions tagged [spv]

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13 votes
1 answer

Are light nodes possible in Casper?

My understanding of light nodes is they need PoW in the block headers. That PoW proves that $x amount of energy has gone into securing that chain. With PoS, the proof that $y is securing the chain ...
A F's user avatar
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2 votes
1 answer

Sidechain communication with mainchain

I was exploring sidechains and two-way pegs but didn't clearly understand one point: How does a sidechain know if funds are locked in the main chain? To my understanding blockchains are "isolated" ...
kuzdogan's user avatar
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