LEVEL 01 · Basic
Understand the network, protect your keys, and read on-chain evidence.
All six lessons, original diagrams, guided practice, source links, and relevant lab files. Read without signing in or connecting a wallet. Account-based scored checks and exams are temporarily unavailable while account verification email is being configured.
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SIX STEPS · BUILD ONE IDEA AT A TIME
Explain Solana’s validator, Proof of History, consensus, SOL, wallet, and shared-ledger roles, including how cluster-specific Alpenglow migration changes consensus.
On paper, trace a fictional 0.2 SOL payment. Mark the wallet and signing authority, the RPC relay, the selected cluster, the sender and recipient account state, and the evidence n…
Distinguish wallet connection, scoped message login, transaction signing, and submission, and review unsafe requests.
Draw two outcomes after reviewing a fictional wallet request: rejecting closes it without a signature; approving signs only the exact message or transaction bytes presented. Then …
Check a transaction on the correct cluster.
Select Devnet in Solana Explorer and choose a recent public transaction with a visible signature. Run the read-only Devnet inspector for that exact signature. Compare its status a…
Distinguish a wallet address, a mint, and a token account.
Create a balance report with the cluster and context slot, mint address and token program, token-account address, runtime owner program, internal owner, delegate and allowance, ac…
Explain what signing, submitting, confirming, and finalizing mean.
Draw the transaction states prepared → signed → submitted → confirmed → finalized, with failed, expired, and unknown branches. Calculate the example network fee from two signature…
Trace a SOL or token transfer and report what the transaction and resulting account state establish.
Write a one-page transfer verification report with one SOL and one token example. For each, record the signature, exact cluster and RPC or explorer source, commitment, execution r…