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Node Operations Quiz

Test your knowledge of running public nodes, reading network stats, and pruning.

Covers material from Running & Operating a Node.

Taken 21 times so far.

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What is the main benefit of running a public remote node?

It adds capacity and helps others who can't run their own node It reduces the fees on transactions you broadcast through it It keeps your own wallet balance hidden from the network It earns you a share of the block reward for relaying transactions

Why also expose your public node as a Tor hidden service?

It lets the node store the chain in a more compressed form It limits the node to wallet queries and disables P2P sync Users can connect without revealing their IP It gives your node priority when new blocks are propagated

How can you check Monero's current fee and circulating supply?

Only from the official Monero release notes each upgrade From your node's RPC or a block explorer It is fixed at launch and never changes after that By querying the wallet of the person who sent you funds

What does a pruned Monero node do?

Keeps every block but compresses them to save disk Stores the full chain but serves only your own wallet Drops most old block data but still fully validates Validates only block headers and trusts the rest

Why must a public Monero node be run with restricted RPC?

It exposes only the safe public subset of methods and blocks admin commands It speeds up wallet synchronization for connecting users It hides the operator's IP address from peers It compresses the blockchain to save disk space

What can a public node operator actually see about the people who connect to it?

The amounts they receive, though not their balances The stealth addresses linked to their seed as they sync Their IP address, but not balances, keys, or decoded transactions Nothing at all, since all traffic is fully anonymized

On a public node, which RPC port should stay closed to the internet?

The P2P sync port 18080 The unrestricted RPC port 18081 The restricted public RPC port 18089 The Tor anonymous-inbound port 18083

How are Monero transaction fees calculated?

As a small fixed percentage of the amount being sent Per byte of transaction data, not as a percentage of the amount Scaled to the current fiat value of the XMR being moved As a flat per-transaction fee set by the network each block

What governs Monero's block reward and circulating supply over the long term?

A fixed cap of 21 million is reached, after which no new XMR is created The reward halves on a fixed schedule until it reaches zero A permanent tail emission of 0.6 XMR per block, so supply grows predictably forever Block rewards adjust automatically to hold the supply constant

Q10

When would you need a full archival node rather than a pruned one?

To serve the complete chain to syncing nodes or run a full-history block explorer To safeguard the keys and outputs belonging to your wallet To fully validate incoming blocks, which a pruned node skips To allow a wallet to connect to it over Tor

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