On Friday (September 2), the operator of Bloom stake pool explained why despite “game theory flaws”, “Cardano’s proof of stake design is objectively better than Ethereum’s POS design.”

Here is how Kraken Intelligence, the research arm of crypto exchange Kraken, described staking in Cardano in a 42-page research report (titled “Cardano: A new generation in smart contract platform design), which was released in early February 2022:

On Cardano, validators earn rewards in the form of ADA for running nodes that operate and secure the network. To invite more egalitarian participation, Cardano offers stake delegation, where a stakeholder can delegate their ADA to another validator if they don’t have the technical knowledge or desire to run a node themselves.

In exchange, the delegator receives a share of the total staking rewards that go to the validator proportional to their ownership of the total ADA staked by the validator, minus operating fees. For this reason, validators are referred to as stake pools on Cardano as they pool the stake of many delegators into a single validator. The person/organization that runs the validator is called the stake pool operator (SPO).

Earlier today, the Bloom stake pool operator took to Twitter to explain why Cardano has a better PoS design than Ethereum:

On Cardano users can stake from their own wallet to a pool. On ETH you have to send your tokens to a contract that can be hacked. The only way to keep your tokens on $ETH(locked up) is by having 32 $ETH and the technical knowledge to set up a node. Your tokens won’t be unlocked until the Shahai upgrade. Users on Cardano can withdraw their rewards or stake at anytime.

On Ethereum there is a risk of slashing. This is when the validator node your staked to misbehaves, it can slash up to the full 32 $ETH. There is no slashing on Cardano. There is also no added risk in staking to a pool on Cardano. There is risk however in staking $ADA or other tokens on exchanges, anytime you put your $ADA into exchanges, smart-contracts (nft-marketplace, yield farming, staking contracts) you are being exposed to more risk. Smart contracts and exchanges can be hacked, your @trezor can’t. Cardano has made a lot of great decisions with its proof of stake mechanism, however you need real world data to improve it…”

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