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BeginnerA token is a record with rules
Identify assets by network and contract or mint, not by ticker or logo.
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📚 Learn
BeginnerAddresses need a network
Understand public destinations, account models and why matching text is not enough.
📚 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
BeginnerNetwork fee calculator
Explore Ethereum and Solana fee models with local calculations, without connecting a wallet.
🛠️ 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.
🎯 Strategies
BeginnerReduce total fees without weakening your checks
Compare timing, network choice and transaction count against the cost of moving or failing.
⚡ 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.
⚡ Skills
BeginnerSend and verify a transaction
Prepare a transfer, review its destination and check the recorded result.
📚 Learn
BeginnerStablecoins have different failure modes
Understand a price target, backing, redemption and depeg risk.
📚 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 network fees pay for
Distinguish execution costs, priority, asset value and application charges.
📚 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.
🎯 Strategies
IntermediateBorrow without selling an asset
Compare a collateralized loan with selling, including interest and liquidation exposure.
⚡ Skills
IntermediateBridge and track both sides of a transfer
Verify route details, destination delivery and any required claim step.
📚 Learn
IntermediateBridges connect separate asset systems
Trace what leaves one network and what you receive on another.
⚡ Skills
IntermediateCheck a lending position’s health factor
Reconcile the market’s safety measure and model changes before relying on an alert.
📚 Learn
IntermediateCollateral is what supports a debt
Calculate loan-to-value and understand why borrowing capacity moves.
📚 Learn
IntermediateDeFi is a set of financial programs
Trace an activity through the interface, contracts, assets and people controlling them.
🎯 Strategies
IntermediateDiversify stablecoin dependencies
Compare issuers, backing, custody and exit routes rather than counting tickers.
🛠️ Tools
IntermediateEvaluate a bridge route
Compare the asset delivered, verification model, waiting periods and return journey.
🛠️ Tools
IntermediateEvaluate a decentralized exchange interface
Compare execution routes, minimum output, permissions and total swap cost.
🛠️ Tools
IntermediateEvaluate a lending market
Compare collateral rules, liquidity, rate changes and emergency powers.
🛠️ Tools
IntermediateEvaluate a portfolio tracker
Use dashboards for visibility without confusing estimates with withdrawable value.
🎯 Strategies
IntermediateEvaluate yield on stablecoins
Trace who pays a return and compare it with the risks and cost of leaving.
📚 Learn
IntermediateHow onchain lending connects suppliers and borrowers
Follow supplied assets, variable interest and the conditions for withdrawal.
📚 Learn
IntermediateLayer 2 changes where transactions execute
Understand rollup execution, settlement and the assumptions behind cheaper transactions.
📚 Learn
IntermediateLiquidation is an enforced reduction of debt
Understand thresholds, health factor and why a safety buffer needs monitoring.
📚 Learn
IntermediateLiquidity is the ability to trade or withdraw
Understand pool inventory, price impact and why an available balance is not always an available exit.
🎯 Strategies
IntermediateMove between chains only for a clear purpose
Compare the benefit of a destination with bridge, asset and exit dependencies.
⚡ Skills
IntermediateOpen and verify a collateralized loan
Review projected debt health before borrowing and inspect the resulting position.
🎯 Strategies
IntermediatePlan a buffer and an executable repayment
Reduce exposure to forced liquidation while recognizing that monitoring can fail.
⚡ Skills
IntermediateRepay debt and confirm what remains
Separate repayment from collateral withdrawal and account for accrued interest.
⚡ Skills
IntermediateRevoke an unnecessary token approval
Reduce a supported onchain allowance and verify that the change took effect.
📚 Learn
IntermediateStaking helps secure a proof-of-stake network
Separate protocol staking from lending, receipt tokens and advertised rewards.
⚡ Skills
IntermediateSupply assets and inspect collateral settings
Distinguish a deposit from enabling it to support debt.
⚡ Skills
IntermediateSwap tokens with a defined minimum output
Review the route, permissions and final asset movements for a swap.
⚡ 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.
⚡ Skills
AdvancedCreate a liquidity position deliberately
Choose assets and a range, review permissions and verify the position received.
🛠️ 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.
⚡ Skills
AdvancedRemove liquidity and reconcile the assets
Distinguish reducing a position, collecting fees and converting what you receive.
📚 Learn
AdvancedTokenization links a record to a claim
Separate an onchain token from enforceable rights to an offchain asset.
📚 Learn
AdvancedTransaction ordering can change your result
Understand arbitrage, liquidations and sandwiching before increasing slippage.
🎯 Strategies
AdvancedTreat liquidity provision as inventory management
Compare earned fees with changing asset exposure, adverse selection and exit costs.