📚 Learn
BeginnerA token is a record with rules
Identify assets by network and contract or mint, not by ticker or logo.
Related knowledge
#security
24 pages
📚 Learn
BeginnerApprovals are spending permissions
Distinguish connecting a wallet, sending tokens and authorizing future spending.
⚡ Skills
BeginnerCheck a transaction on a block explorer
Use a transaction identifier (Ethereum hash or Solana signature) to find its status, inspect the result, and confirm the network, asset, and recipient.
⚡ Skills
BeginnerCreate a wallet you can recover
Set up a new account and verify its recovery model before funding it.
🛠️ Tools
BeginnerEvaluate a hardware wallet
Compare trusted displays, recovery methods and the transactions a device can explain.
🛠️ Tools
BeginnerEvaluate a wallet
Choose an account interface by custody, permissions, recovery and network support.
🛠️ Tools
BeginnerEvaluate security and approval tools
Use simulations, allowance viewers and warnings as evidence with clear limits.
🎯 Strategies
BeginnerHold assets with a recovery plan
Reduce avoidable custody and signing failures without adding unnecessary complexity.
🎯 Strategies
BeginnerMake your first transfer easier to verify
Use a small test and explicit checks to reduce uncertainty before repeating an onchain transfer.
🛠️ Tools
BeginnerRead a block explorer critically
Use public records to verify transactions while recognizing indexer and label limitations.
⚡ Skills
BeginnerRecognize common wallet scams
Pause requests that exploit urgency, familiar branding or misunderstood permissions.
⚡ Skills
BeginnerReview and sign with a hardware wallet
Use the trusted display and preserve the separation of signing keys from everyday software.
⚡ Skills
BeginnerSecure a wallet and its recovery
Review backup exposure, device access and spending permissions without revealing secrets.
📚 Learn
BeginnerWhat a blockchain keeps track of
Understand shared records, blocks and the limits of public verification.
📚 Learn
BeginnerWhat a wallet controls
Separate the wallet interface, public address, signing keys and recovery backup.
📚 Learn
BeginnerWhat happens when you send a transaction?
Follow a transaction from your wallet to a block, and understand what a confirmation actually tells you.
📚 Learn
BeginnerWhat smart contracts can and cannot guarantee
Read a program as rules with dependencies, permissions and possible bugs.
⚡ Skills
IntermediateApprove a specific spender
Inspect a token allowance before granting permission that can outlive one transaction.
🛠️ Tools
IntermediateEvaluate a bridge route
Compare the asset delivered, verification model, waiting periods and return journey.
⚡ Skills
IntermediateRevoke an unnecessary token approval
Reduce a supported onchain allowance and verify that the change took effect.
⚡ Skills
IntermediateVerify which contract you are using
Cross-check a deployed address, source information and upgrade permissions.
📚 Learn
AdvancedAccounts can use programmable authorization
Understand recovery, batching and sponsored fees without assuming security disappears.
🛠️ Tools
AdvancedEvaluate a multisig wallet
Compare signer thresholds, recovery and modules that can bypass ordinary approvals.
⚡ Skills
AdvancedRead a message before signing it
Distinguish login statements from permits, orders and other actionable authorizations.