The most common methods of passive income in the crypto world are staking. Users deposit their tokens in a network when they are staking them and this assists in securing the network and authenticating transactions. In return, they get rewards. This initially seems a very convenient and ideal system. The big issue however arises when excess tokens are produced as rewards.

When new tokens are printed at an excessive rate and quantity the supply of tokens becomes high. This may cause hyperinflation which will cause the token to lose its value with time. The creation of sustainable staking system implies balancing between user reward and safeguarding long-term token worth.

Controlling the amount of new tokens created is one of the methods of avoiding hyperinflation. A project does not need to pay very high staking rewards but it can provide moderate and reasonable rewards. Initially the high reward can attract the users but when they become too long they will cause the token to be overssupplied.

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In my opinion, it is more appropriate to decrease rewards gradually as the network expands. This helps in early participation but does not lead the system into self destruction in the future.

The other important element is actual usage of the network. In case the token is used as a stake only, then the pressure to sell will always be high. Individuals will get compensations and sell them.

However when it is required to pay transaction fees, governance, games, or DeFi applications, then it is actually in demand. I have observed that in the case of actual demand inflation is not as threatening since people are actually spending the token and not dumping at all.

Another solution is also token burning in some projects. This implies that they permanently withdraw a portion of the tokens into circulation.

Burning together with staking rewards assists in stabilizing the supply. It is possible in a good design that the quantity of tokens burned is similar to that of tokens created and this keeps the quantity of supply unchanged over time.

Finally, there are sustainable staking rewards, which should be planned in the long run. The project should be able to control supply, generate real demand as well as consider the future rather than rapid growth.

I believe that the most appropriate staking models are the ones that can be used to incentivize loyalty and avoid the devaluation of the actual value of the token in the coming years.