# Understand Transaction Fees

Transaction fees are a significant aspect of blockchain networks, serving multiple purposes, including resource allocation, security, economic incentives, monetary policy, and sustainability. They enable the functioning of decentralized systems by aligning the interests of participants and ensuring the efficient operation of the network.

The fee mechanism works differently, depending on the chain.

Learn more:

- [EVM Chain Fees](/user-guide/manage-transactions/understand-transaction-fees/evm-chains)
- [Bitcoin Fees](/user-guide/manage-transactions/understand-transaction-fees/bitcoin)
- [Solana/SVM Fees](/user-guide/manage-transactions/understand-transaction-fees/solana)
- [TRON Fees](/user-guide/manage-transactions/understand-transaction-fees/tron-fees)
- [Sui Fees](/user-guide/manage-transactions/understand-transaction-fees/sui-fees)
- [Aptos Fees](/user-guide/manage-transactions/understand-transaction-fees/aptos-fees)
- [Stacks Fees](/user-guide/manage-transactions/understand-transaction-fees/stacks-fees)
- [Starknet Fees](/user-guide/manage-transactions/understand-transaction-fees/starknet-fees)