On this page
addresses and accountsnetworks and blocksgas and feestransaction hashes and confirmationsDApps, approvals and validatorsBlockchain & Wallet Glossary: A practical glossary covering addresses, gas, transaction hashes, EVM, Layer 2, DApps, approvals, PoS and validators. To use this topic confidently on-chain, it helps to understand how the pieces fit together rather than memorize isolated terms. Each action should start with a clear check of the network, address and request details.
addresses and accounts
When working with addresses and accounts, place the concept back into a real transaction flow. Information on screen may come from on-chain state, local wallet records or a third-party page, so verify public details such as the network, address, transaction hash or contract before deciding what to do next.
In Blockchain & Wallet Glossary, the section on addresses and accounts connects directly to the page’s main task. A practical learning order is: understand the wallet, back it up, learn addresses and networks, receive and send assets, inspect transactions, connect to DApps, understand approvals, and then build long-term security habits. This reduces the chance of performing a high-risk action before the basics are clear.
Within Blockchain & Wallet Glossary, for addresses and accounts, keep the decision reversible for as long as possible: verify information first, then authorize only the minimum action needed. If the request changes the network, transfers an asset, grants spending permission or interacts with a contract, review the exact target and expected result before confirming.
In Blockchain & Wallet Glossary, a good outcome for addresses and accounts is not simply that an interface reports success. The useful evidence is whether the expected on-chain state appears on the correct network, under the correct address or contract, and with a transaction or permission record that matches the intended action.
networks and blocks
A common mistake with networks and blocks is drawing a conclusion from a single field. A stronger check compares the active network, destination, asset identity and on-chain record together, especially for same-named tokens, cross-network activity or DApp interactions.
In Blockchain & Wallet Glossary, the section on networks and blocks connects directly to the page’s main task. A practical learning order is: understand the wallet, back it up, learn addresses and networks, receive and send assets, inspect transactions, connect to DApps, understand approvals, and then build long-term security habits. This reduces the chance of performing a high-risk action before the basics are clear.
Within Blockchain & Wallet Glossary, for networks and blocks, keep the decision reversible for as long as possible: verify information first, then authorize only the minimum action needed. If the request changes the network, transfers an asset, grants spending permission or interacts with a contract, review the exact target and expected result before confirming.
In Blockchain & Wallet Glossary, a good outcome for networks and blocks is not simply that an interface reports success. The useful evidence is whether the expected on-chain state appears on the correct network, under the correct address or contract, and with a transaction or permission record that matches the intended action.
gas and fees
For gas and fees, a useful review pattern is source, scope and result. Source explains where the request came from; scope shows what the action can affect; result is then checked through transaction records, block confirmations or approval state.
In Blockchain & Wallet Glossary, the section on gas and fees connects directly to the page’s main task. A practical learning order is: understand the wallet, back it up, learn addresses and networks, receive and send assets, inspect transactions, connect to DApps, understand approvals, and then build long-term security habits. This reduces the chance of performing a high-risk action before the basics are clear.
Within Blockchain & Wallet Glossary, for gas and fees, keep the decision reversible for as long as possible: verify information first, then authorize only the minimum action needed. If the request changes the network, transfers an asset, grants spending permission or interacts with a contract, review the exact target and expected result before confirming.
In Blockchain & Wallet Glossary, a good outcome for gas and fees is not simply that an interface reports success. The useful evidence is whether the expected on-chain state appears on the correct network, under the correct address or contract, and with a transaction or permission record that matches the intended action.
transaction hashes and confirmations
transaction hashes and confirmations is not only a feature label; it also has a specific risk boundary. If a page conflicts with the wallet display or the request cannot be explained clearly, stop before signing, approving or transferring and verify through trusted public information.
In Blockchain & Wallet Glossary, the section on transaction hashes and confirmations connects directly to the page’s main task. A practical learning order is: understand the wallet, back it up, learn addresses and networks, receive and send assets, inspect transactions, connect to DApps, understand approvals, and then build long-term security habits. This reduces the chance of performing a high-risk action before the basics are clear.
Within Blockchain & Wallet Glossary, for transaction hashes and confirmations, keep the decision reversible for as long as possible: verify information first, then authorize only the minimum action needed. If the request changes the network, transfers an asset, grants spending permission or interacts with a contract, review the exact target and expected result before confirming.
In Blockchain & Wallet Glossary, a good outcome for transaction hashes and confirmations is not simply that an interface reports success. The useful evidence is whether the expected on-chain state appears on the correct network, under the correct address or contract, and with a transaction or permission record that matches the intended action.
DApps, approvals and validators
After completing an action involving DApps, approvals and validators, review the outcome again. Transaction status, approval targets, network confirmations and balance changes are stronger evidence than a page-level success message alone.
In Blockchain & Wallet Glossary, the section on DApps, approvals and validators connects directly to the page’s main task. A practical learning order is: understand the wallet, back it up, learn addresses and networks, receive and send assets, inspect transactions, connect to DApps, understand approvals, and then build long-term security habits. This reduces the chance of performing a high-risk action before the basics are clear.
Within Blockchain & Wallet Glossary, for DApps, approvals and validators, keep the decision reversible for as long as possible: verify information first, then authorize only the minimum action needed. If the request changes the network, transfers an asset, grants spending permission or interacts with a contract, review the exact target and expected result before confirming.
In Blockchain & Wallet Glossary, a good outcome for DApps, approvals and validators is not simply that an interface reports success. The useful evidence is whether the expected on-chain state appears on the correct network, under the correct address or contract, and with a transaction or permission record that matches the intended action.
Core glossary
A public identifier used to receive assets or identify an account or contract.
Recovery information that can control wallet keys; keep it private and offline.
Secret key material that authorizes control of an account.
Network resource metering and fee mechanism for transactions or contract execution.
A unique reference used to look up a transaction on-chain.
An execution environment used by many smart-contract networks.
A scaling environment that usually relies on a base layer for some settlement or data functions.
An application that interacts with blockchain networks or smart contracts.
Permission allowing a contract to spend a token within a defined scope.
Proof of Stake, a consensus family in which validators participate based on staked value and network rules.
A network participant that performs consensus-related duties under the protocol.
A public interface for viewing blocks, transactions, addresses and contracts.
Important risk reminder
For Blockchain & Wallet Glossary, Remember: the user is responsible for safeguarding the seed phrase and private keys, and official staff will not ask for a seed phrase, private key or verification code. On-chain transactions generally cannot be reversed by a wallet alone, and third-party DApps or smart contracts may involve technical or fraud risks. Review the address, network, amount, approval target and permission scope before acting.