Assessment 1

3 of 4

1. What is a transaction that is submitted in a non-final state called?

   1. An invalid transaction.

   2. A transaction evaluation.

   3. A non-standard transaction.

   4. A payment channel.

2. What can a payment channel be used for?

   1. Streaming content.

   2. Large data transfers inside a Bitcoin transaction

   3. Paying for ongoing services.

   4. All of the above.

3. Once a payment channel is complete, what is recorded on-chain?

   1. Only the final transaction.

   2. The initial and final transaction state.

   3. Payment channels close without making on-chain records.

   4. Every iteration of the payment channel is recorded

4. How is a transaction presented?

   1. As a hash of the accumulated values constituting itself.

   2. As a serialization of a set of fixed and variable length fields.

   3. As an encrypted message.

   4. As a multi-field variable integer string.