Blockchain CBSA - BTA Certified Blockchain Solution Architect

By default, who can see transaction details on a public/open blockchain?

You are considering a cryptocurrency and for your privacy and anonymity are number one priority.

Which cryptocurrency should you likely use?

The Hyperledger Fabric business network is divided into three categories.

What are the three categories? (Select three.)

The difference between Ethereum tokens and a standalone currency like Litecoin is that ___________tokens piggyback on the Ethereum network, hosted by Ethereum addresses and sent using Ethereum transactions.

Geth uses what port to expose the Ethereum RPC Service?

What are some advantages of Proof of Stake(POS) mining over Proof of Work(POW) mining? (Select three.)

If a Proof of Work blockchain such a s Bitcoin or Ethereum changed to a Proof of Stake consensus paradigm, which key component of the Proof of Work process would be eliminated?

Chaincode is a decentralized transactional program, running on the validating nodes. As with every chaincode, it implements the ____________________ in particular, Init and Invoke functions.

What does is actually implemented?

Blockchains are decentralized ledgers which, by definition, are not controlled by a central authority. Due to the value stored in these ledgers, bad actors have huge economic incentives to try and cause faults.

What algo was the original solution to the potential problem as specified by Satoshi?

If a hard fork occurs on a public blockchain software and 20 running nodes choose not to update, what can be said about those 20 nodes?