pruebadeparticipacion

Validating a block no longer has to consume energy. It can simply require putting something at stake.

Imagine a validator who sets aside 100 coins as collateral before they can confirm transactions. If they approve a valid block, they receive a small reward, say 2 coins. But if they try to slip in a fraudulent transaction and the network detects it, they lose some or all of that collateral. There’s no need to solve a mathematical puzzle that consumes electricity on a massive scale. You just need to have something to lose.

This mechanism is called proof of stake. Ethereum, for example, switched to this model so validators can $ETH back the network with locked-up capital instead of computation.

KEY CONCEPTS
- The collateral isn’t just for show: if the validator misbehaves, they lose it. There’s still a cost; it’s just taken a different form.
- Depositing collateral doesn’t automatically make anyone honest. Without a clear penalty for backing an invalid chain, some validators might try to support several versions at once.
- Not every part of the industry uses this model, or adopted it at the same time. Other networks still use the previous method, spending electricity to validate.
- Agreement on which block is valid is a technical process among validators, not a popular vote among everyday users.

And that’s the real difference from the energy use of the past: electricity is no longer burned to prove commitment; instead, validators put their own capital at risk. Same problem, different collateral.

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