imtoken will never ask for your seed phrase, private key or verification code. Always review the address, network and request details before transferring, signing or approving.

Blockchain & Wallet Glossary

Understand common blockchain and wallet terms in the context of real actions.

Address
An identifier used for an on-chain account or contract; always verify it together with the network.
Seed phrase
A sequence used to derive or recover wallet accounts. It should be kept offline by the user.
Private key
Sensitive signing material that controls an account and should never be disclosed.
Gas
A measure of execution resources that contributes to transaction fees.
Transaction hash
A public identifier used to locate an on-chain transaction.
Block height
The ordered position of a block within a blockchain.
Confirmations
Later blocks built after the block containing a transaction, used to understand how deeply it is anchored.
Chain ID
An identifier used to distinguish EVM and other networks.
EVM
Ethereum Virtual Machine, an execution environment for smart contracts.
Token
An on-chain asset representation defined by contract or protocol rules.
Approval
Permission allowing a specified contract to use a token within a defined scope.
DApp
An application that interacts with blockchain accounts or smart contracts.
NFT
A token form with a unique or distinguishable identifier.
Bridge
A mechanism for moving assets or messages between networks or layers.
Validator
A participant that performs consensus duties in a Proof-of-Stake network.
PoS
Proof of Stake, a consensus mechanism involving economic stake and validator duties.