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Gas Fees and Priority Fees on Solana vs EVM: What Beginners Need to Know

A plain-language breakdown of how gas and priority fees work on Solana versus EVM chains, with no hype. Complete beginner level.

· 4 min read · Blackhat Empire

Gas and Priority Fees: Solana vs EVM, Explained for Complete Beginners

If you are new to crypto and you have heard about "gas fees" or "priority fees," you might be confused. On Ethereum and BSC, gas fees work one way. On Solana, they work differently. This guide explains the difference in plain terms, so you understand what you are paying and why.

What is a gas fee?

Every transaction on a blockchain costs computing power. Gas is the unit that measures that work. The more complex the transaction, the more gas it uses. You pay a fee to compensate validators (the people running the network) for processing your transaction.

On EVM chains (Ethereum, BSC, Base, Arbitrum, etc.), the fee is calculated as:

Gas used × Gas price (in gwei) = Total fee

  • Gas used — how much work the transaction requires. Simple sends might use 21,000 gas. Swaps on a DEX can use 150,000 gas or more.
  • Gas price — how much you are willing to pay per unit of gas, in gwei (a tiny fraction of ETH or BNB).

Priority fee (EIP-1559) — since Ethereum's London upgrade, the base fee (set by the network) is burned. You can add a "priority fee" (tip) to get your transaction processed faster when the network is busy. If you set the priority fee too low, your transaction might sit pending for minutes or even fail.

On BSC, it works similarly: base fee + priority tip. Same logic.

How Solana is different

Solana does not use gas or gwei. Instead, each transaction requires a fixed amount of compute units (like gas but capped per instruction). The base fee is tiny — usually 0.000005 SOL per signature.

But here is the kicker: Solana uses a priority fee system that is completely optional — but often necessary.

When the network is congested, your transaction competes with others. To get ahead, you can add a priority fee. The priority fee is expressed in SOL per compute unit. A common strategy: set a priority fee of 0.01 to 0.05 SOL (or more) to get your transaction into the next block quickly.

If you do not add a priority fee on Solana during a busy period, your transaction might never confirm — or get dropped entirely.

Key differences at a glance

| Aspect | EVM (ETH, BSC, Base) | Solana | |--------|----------------------|--------| | Fee unit | gwei (ETH/BNB) | SOL | | Base fee | Set by network, burned | Fixed 0.000005 SOL per signature | | Priority fee | Optional tip, speeds up | Optional, but often required | | Fee calculation | Gas used × Gas price (gwei) | Compute units × Priority fee (SOL/CU) | | Block time | ~12 sec (ETH) / ~3 sec (BSC) | ~400 ms | | Typical swap cost | $0.50 - $50 (ETH) / $0.05 - $0.50 (BSC) | $0.001 - $0.03 |

Why this matters for memecoin traders

On EVM chains, you can calculate your fee before sending. Tools like GMGN (check charts on gmgn.uk) show you real-time gas prices. If ETH gas is high, you wait or pay extra.

On Solana, the priority fee is the biggest variable. Many new traders fail because they set priority too low during a pump and their buy never goes through — then the token dumps. Or they set priority too high and overpay for a failed transaction.

Practical tips

  • On EVM: always check current gas prices before a trade. Use wallets that let you set a custom priority fee if needed.
  • On Solana: use a wallet or tool that lets you adjust priority fee per transaction. Start with 0.01 SOL priority for normal conditions. For fast action (like a launch), consider 0.05 SOL or more.
  • If a transaction fails, you still pay the fee on EVM but not on Solana (failed tx = no cost, except the priority fee if you already paid it).
  • Understand that priority fees are not tips to a person — they are payments to validators to include your transaction faster.

Bottom line

Gas and priority fees are not the same across chains. On EVM, you pay per unit of work plus optional tip. On Solana, the base is cheap but priority fees can spike. If you do not understand what you are paying, you will lose money to failed transactions or missed opportunities.

Start small. Learn on testnets or with tiny amounts. And never send a transaction without checking the fee first.

For real-time alerts and community discussion about fees and trading, check the channels on the Blackhat Empire public directory. The BH GMGN groups on Telegram (find them at @gmgnx_chat, @gmgnx_solana, etc.) are full of traders who talk about these mechanics every day. Join, ask questions, and learn before you risk real money.

This is education. Not advice. Memecoins are extremely high risk. Most go to zero. Never trade money you cannot afford to lose.

Community

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Charts and on-chain research: https://gmgn.uk.