Why use "" over null when there's no nextVersionId?

2060-io / did-web-anoncreds-method

did:web AnonCreds Method specification

MIT License

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Why use "" over null when there's no nextVersionId? #4

Open TimoGlastra opened 5 months ago

TimoGlastra commented 5 months ago

It would be easier to process / more clear if the value would be null rather than an empty string "", so curious if there's a specific reason to use an empty string?