Only Bitcoin should be considered cryptocurrency because PoW relies on cryptography and nothing else to secure the network. Reclaiming the name “crypto” is both powerful and important because it speaks volumes that mathematics alone enforces the robustness of the ledger.
A technical and in-depth analysis of the trade-offs that Ethereum’s consensus mechanism makes in its switch to proof-of-stake and how proof-of-work differs.
In addition to a $1 million ad budget, climate groups want to influence institutions such as Fidelity and BlackRock to push Bitcoin to switch from PoW to PoS.
Bitcoin’s incentives are clear and fair, while proof-of-stake has contrasting incentives that are the same as the current system where the rich get richer.