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Blockchains are decentralized ledgers which, by definition, are not controlled by a central authority. Due to the value stored in these ledgers, bad actors have huge economic incentives to try and cause faults.
What algo was the original solution to the potentialproblem as specified by Satoshi?
Suggested Answer: D
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The big breakthrough when Bitcoin was invented, was the use of Proof-of-Work as a probabilistic solution to the Byzantine Generals Problem as described in depth by Satoshi Nakamoto.
24 comments · newest first
ER
Erick
I feel like it's the most reliable method.
TO
Tonette
5 days ago
Definitely! It prevents double spending too.
FR
Francis
10 days ago
Proof of Work makes sense for securing the network.
MA
Malcom
15 days ago
Yeah, I agree. It was the first solution Satoshi proposed.
CA
Caprice
21 days ago
I think it's D) Proof of Work.
WI
Wilford
26 days ago
I feel it's still relevant today, despite the downsides.
LE
Leatha
1 month ago
Proof of Work was revolutionary for its time.
MO
Monte
1 month ago
Other options like Proof of Stake came later.
BA
Basilia
1 month ago
Right, it laid the foundation for everything.
CH
Chandra
2 months ago
True, but it was necessary for security back then.
WI
Wilford
2 months ago
But isn't it energy-intensive?
LE
Leatha
2 months ago
Exactly! It prevents double spending too.
MO
Monte
2 months ago
Proof of Work makes sense. It secures the network.
BA
Basilia
2 months ago
Yeah, I agree. It was the first solution Satoshi proposed.
CH
Chandra
2 months ago
I think it's D) Proof of Work.
KA
Karina
3 months ago
Proof of Work makes sense, but I wonder about its long-term viability.
AR
Arlyne
3 months ago
Wait, isn't Proof of Work super energy-intensive?
DE
Deonna
3 months ago
I thought it was Byzantine Fault Tolerance at first.
VI
Vincenza
3 months ago
Totally agree, Proof of Work was the first!
RE
Refugia
3 months ago
D) Proof of Work is the answer!
GL
Glen
3 months ago
I practiced a similar question, and I believe the answer is Proof of Work. It was crucial for Bitcoin's launch and maintaining decentralization.
DO
Domonique
4 months ago
I keep mixing up Proof of Work and Byzantine Fault Tolerance. I feel like they both deal with security, but I can't recall which one Satoshi specifically used.
LU
Lura
4 months ago
I remember studying about Satoshi's approach, and I think it was definitely Proof of Work. It was the first method to secure the network.
TE
Teddy
4 months ago
I think the original solution was related to how miners validate transactions, but I'm not entirely sure if it was Proof of Work or something else.