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To complete the first answer, there is a distributed storage platform, called Swarm (, that has been specially built to work with Ethereum dApps.


There isn't rights answer to your question, depends on the use case and on the business model. If you want to adopt a full decentralize ecosystem use a distributed decentralize storage (like ipfs, storj ecc) If you want to store data offchain use legacy file system :) Database or local system. There isnt a better way but a different model to use data. ...


You have at least a few alternatives. Upgradeable contracts and proxy patterns Yes, contracts are immutable but contracts can reference other contracts in various ways. So what you can do is use a pattern called upgradeable contracts. Typically this means you have one contract which stores the state (the actual data) and which doesn't change and can't be ...

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