Smart contract audit vs bug bounty: which do you need, and when?

By Orivions Team · October 19, 2026

Key takeaways

An audit is a structured review of a fixed scope before launch. A bug bounty rewards anyone who reports a bug later.
A bounty cannot replace an audit: nobody is obliged to look, and bugs are often found after funds are at risk.
Rewards for critical bugs should make reporting clearly more attractive than exploiting.
The usual order: audit, fix review, launch with a bounty, then re-audit major changes.

"Do we need an audit if we run a bug bounty?" comes up whenever a team looks at audit quotes. The two are often compared on price, but they do different jobs at different times. Protocols that hold real value on Solana usually need both.

The comparison

	Audit	Bug bounty
When	Before launch, and before major upgrades	After launch, for as long as the code holds value
Who looks	A chosen firm or researcher	Anyone who decides to look
Coverage	A fixed scope, reviewed systematically	Whatever attracts attention, no guarantee
Cost	A fixed fee, paid whether or not bugs are found	Paid only for valid findings
Output	A report with findings and a fix review	Individual reports, paid one by one
Best at	Finding design and logic flaws early	Catching what audits missed, and new bugs from changes

What an audit gives you

Auditors review a defined set of programs at a specific commit, systematically and on a deadline. They look for account validation gaps, missing signer and owner checks, unsafe arithmetic, broken invariants and economic attacks, and they deliver a report and a fix review. You get coverage you can plan around before any user deposits a token. See how to read an audit report and what drives audit cost.

What a bug bounty gives you

A bounty is a public promise to pay for valid vulnerability reports. It brings in many researchers with different skills, keeps working after launch, and catches bugs introduced by later changes or by new interactions with other protocols. You pay only for results, but there is no guarantee that anyone looks at a given part of the code.

Why a bounty alone is not enough: without an audit, the first person to find a critical bug may be an attacker rather than a researcher. A bounty works best on code that has already been reviewed, so the remaining bugs are rarer and harder to find.

Designing a bounty that works

Clear scope: list the program addresses, repositories and what is out of scope.
Rewards that match the risk: scale critical rewards with the value at risk, with a fixed maximum, so reporting beats exploiting.
Severity definitions: say what counts as critical, high and medium, and how proof of concept must be shown.
Safe harbor: promise not to take legal action against researchers who follow the rules.
A fast response: acknowledge reports quickly and pay on time. Researchers talk to each other.

The usual order

1. Internal review and tests: fix the obvious issues yourself first.
2. External audit and fix review: see the Solana pre-launch security checklist.
3. Launch with a bounty: announce it at or shortly after mainnet launch.
4. Re-audit major upgrades: and update the bounty scope when the code changes.

Before launch, also go through the Solana pre-launch security checklist, and when you compare auditors, use how to choose a Solana smart contract auditor.

Frequently asked questions

Can a bug bounty replace a smart contract audit?

No. A bounty only pays when someone chooses to look, usually after launch when funds are already at risk. An audit is a guaranteed, structured review of a fixed scope before launch. A bounty complements an audit; it does not replace it.

How big should a bug bounty reward be?

Large enough that reporting is clearly better than exploiting. A common approach is to scale critical rewards with the value at risk, often a percentage of funds that could be lost, with a fixed maximum. Smaller rewards apply to high and medium findings.

When should a Solana project launch a bug bounty?

After the audit and fix review, at or shortly after mainnet launch, and before total value locked grows. Keep it running for as long as the programs hold value, and update the scope when the code changes.

Find a Solana auditor

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