When comparing Stellar vs IOTA, the Slant community recommends IOTA for most people. In the question“What are the best cryptocurrencies?” IOTA is ranked 10th while Stellar is ranked 22nd. The most important reason people chose IOTA is:
Anonymous Transactions and messaging is on the roadmap!
Ranked in these QuestionsQuestion Ranking
Pros
Pro Transparent
Not as good as BTC or LITERALLY ANY decentralized coin/token. But, you gotta hand it to them.
Pro Exchange to exchange and peer-to-peer transactions are very fast.
These transactions only take a few seconds.
Pro Anonymity - Coming Soon
Anonymous Transactions and messaging is on the roadmap!
Pro Fully Decentralized
Cons
Con Centralized
Stellar, is fully centralized. Lacking many of the features decentralized currencies possess.
Con Traceable
Not anonymous, transactions can easily be tracked.
Con Network stability issues
Con Centralized
IOTA is currently partially centralized due to its "coordinator" which is expected to be soon removed.
Con Unproven consensus mechanism
The new consensus mechanism is unproven against attack. Mana can be rented.
Con Not as Secure
It is arguably not as secure as other cryptocurrencies like NANO.