Dataset cloud-training-demos.bitcoin_blockchain is not publicly available #2722
Description
The page courses/data-engineering/demos/nested.md provides a demonstration of working with nested and repeated data in BigQuery, using a bitcoin dataset.
However, the dataset cloud-training-demos.bitcoin_blockchain is not publicly accessible. In this page, we can replace cloud-training-demos.bitcoin_blockchain with the publicly accessible bigquery-public-data.bitcoin_blockchain dataset.