👉👉👉 Are PoS networks really more expensive to attack than PoW?
The Cost Dynamics of Attacking PoS vs. PoW Networks: Insights from
#BITMEX Renting vs. Buying: Cost Dynamics
Attacking a PoW Network
- Controlling 51% of Bitcoin’s mining power costs about $2 billion annually, considering miners’ annual earnings of $10 billion and a 20% premium to entice them.
Attacking a PoS Network
- Controlling enough staked Ethereum costs around $1.2 billion annually, given
#stakers ' earnings of $3 billion and needing only a third of the total stake to disrupt the network.
Comparative Perspective
- BitMEX notes that the cost to attack PoS and PoW networks is comparable when normalized for market capitalizations, challenging the belief that PoS is inherently harder to attack.
Permanent Threats: Buying and Building
PoW Networks
- Permanent attacks require buying and maintaining 51% of mining hardware, involving continuous billion-dollar expenditures over years.
PoS Networks
- Acquiring a third of staked Ethereum might cost around $100 billion, potentially triggering a market surge and making the attack counterproductive. It involves a significant one-time investment rather than ongoing expenses.
Confiscation Risks and Real-World Anchors
PoW Systems
- Mining hardware is vulnerable to physical confiscation.
PoS Systems
- Stakes can be moved across borders easily, reducing confiscation risks, as moving a private key is undetectable.
Vulnerabilities in Both Systems
- Both PoW and PoS have vulnerabilities: PoS networks could be destroyed by controlling significant stakes, while PoW networks might recover as mining hardware degrades.
Conclusion
BitMEX concludes that while PoS lacks a real-world anchor, making it potentially more susceptible to certain attacks, both PoW and PoS require strategic considerations for long-term security and stability.
Source - cryptopolitan.com
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