Thread by @FrancescoCiull4

🎯Centralization VS 🌐Decentralization thread.

Do you remember NAPSTER?

If YES, sorry you are old my friend.

It was a centralized system for distributing pirated music.
Turned off the server, it stopped working.

Let's see PRO/CONS of centralized VS decentralized systems

↓

Table of Contents:

Network
Performance
Conflicting Data
Points of Failure
Coordination
Censorship
Participation

↓

Network

🎯Centralized
- All participants are connected to the central authority.
- Info propagates quickly.
- The central authority handles propagation.

🌐Decentralized
- Participants may be many edges away from each other.
- Information broadcasts may take a long time

Performance

🎯
- Higher performance (usually): higher throughput, less power required.
- easier to implement.

🌐
- Lower performance (usually): lower throughput, more power required.
- harder to implement.

Conflicting data

🎯
- easier resolution: the central authority is the ultimate source of truth.

🌐
- harder resolution: in case of conflict a complex protocol is needed to sync the participants

Points of Failure

🎯
- Single point of failure! if the central authority goes down, the system collapses

🌐
- No single point of failure: network can still function if some participants are taken down.

Coordination

🎯
- easier, handled by a central authority.
- the upgrade is easy as it's compelled by the central authority

🌐
- harder
- there is no central authority to coordinate upgrades and changes.
- network can fracture in case of hard disagreements!

Censorship

🎯
- easier: Central authority can censor data

🌐
- harder: info can propagate in different ways across the network.

Participation

🎯
- central authority controls the participation.

🌐
- anyone can participate.
- no gatekeepers.
- the participation's cost is low (ideally).

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