LEET is one of few Swedish servers. That's benefital as stakers aim to spread their staking across the world for greater decentralization.
Physical servers also help the decentralization as large target services can become a form of centralization.
SPO stands for Single Pool Operator. An egalitarian decentralization of stake pools directly strengthens the resiliency of the Cardano network. To make Cardano one of the most resilient blockchain against any colluding or coordinated malicious attack from national governments, hackers, or the creators of the protocol, it is better to stake at smaller single stake pools.
1337 has existed since Epochs nr. 232, 25.8.2020. The fact that the server is old can be seen as a sign that the server is ongoing and will probably continue to be up and running in the future.
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