• Transparency of Data Provenance [Reading Data]

  1. [UX/UI] Clarify which data comes from the blockchain and which doesn’t.
  2. [UX/UI] Clarify blockchain addresses, which data comes from oracles and link all blockchain data to independent blockchain explorers.
  3. [UX/UI] Manage transaction wait time. Clarify blockchain specific times and manage user’s wait in various phases and feedback.
  4. [UX/UI] Within the context of an individual, adapt to progressively increase/decrease the amount of new lingo and specific concepts that they need to learn and are exposed to. never combine expert-level blockchain-specific lingo with the need-to-know basics when acting within the same context of an individual; create tiers of knowledge levels. You can show an expert the basics, but never the other way around.
  5. [UX/UI] Use a consistent visual language to dictate addresses. use human-readable deterministic visual representation of the hash (i.e. Identicons, Blockies et al.) when possible. allow users to expand the full address/hash and copy.
  6. [UX/UI] Apply relevance to interrupting messages only for information relevant to the current user.

• Transparency of Transactions [Writing Data]

  1. [Permanence] Clarify actions that are irreversible. Clarify and confirm in advance the new future state.
  2. [Value] Clarify actions that involve money or value; when a blockchain is being interacted with. Clarify what actions are not transactions and hence safe.
  3. [Privacy] Clarify actions that could potentially lead to user identification.
  4. [Privacy] Accessibility of user’s interaction history e.g. provided a history of all transactions from a given address.
  5. [Privacy] Transparency of user’s interactions e.g. clarify where is the history stored (local or server).
  6. [Privacy] Provide tools to navigate, search, export, and delete the history cache where possible.
  7. [Privacy] Clarify actions that generate new contracts in the users name.
  8. [UX/UI] Types of transactions i.e. value transfers, function calls, contract generating.
  9. [UX/UI] When a blockchain event aborts or otherwise fails to complete as expected, the fallback must remain functional with resulting blockchain state clear.
  10. [UX/UI] Allow users to subscribe-to, unsubscribe-from or temporarily mute certain events.

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