Should I Buy This Token? A Solana Memecoin Due-Diligence Checklist
By the MemeAssist Research Desk · Published 2026-08-04 · Updated 2026-08-04 · 8 min read
Before buying any Solana memecoin, run seven checks: (1) top-10 holder concentration under ~30%, (2) mint authority revoked, (3) freeze authority revoked, (4) LP burned or locked, (5) no active transfer hooks or dangerous Token-2022 extensions, (6) low bundler count at launch, (7) creator wallet history clean. A token that passes all seven is worth considering. One that fails any of the first five is a hard pass.
Key Learnings
- 15.1% of tokens that passed every automated safety check in our live 2026 cohort still rugged (8 of 53 trades) — the checklist filters scams, not all risk.
- The five most common rejection flags on our desk: top-10 concentration, active mint authority, unburned LP, high bundler count, and transfer hooks. All are checkable in under 2 minutes.
- Creator history alone blocked 252 entries via our blacklist — 53 confirmed ruggers, each responsible for repeat losses when their later tokens weren't caught.
Why a Solana memecoin checklist beats gut instinct
Memecoins are designed to feel like winners before they rug. Social proof is manufactured (botted replies, paid influencer posts), charts are seeded with fake volume, and the creator wallet is hidden behind a fresh address with no history. Intuition is exactly what scammers are optimizing against. A checklist is not — it checks the on-chain record, which can't be faked in the time window that matters.
Every item below is something our automated desk checks before every entry. The engine runs them in about 3 seconds. Manually, they take 1–2 minutes. Neither duration is too long for a decision that can cost you 100% of the position.
The 7-point due-diligence checklist
1. Top-10 holder concentration (hard cut: over 50%)
Pull the holder list and calculate what percentage of total supply the top 10 wallets hold — excluding the liquidity pool, which shows as the largest 'holder' on most explorers. The pool is not a risk; the wallets are.
- Under 30%: healthy for a young token.
- 30–50%: elevated, proceed with caution and smaller size.
- Over 50%: the chart belongs to insiders. Pass.
This is the #1 rejection flag in MemeAssist's telemetry — more common than any other single check. Full guide: Top-10 Holder Concentration: The #1 Rug Signal.
2. Mint authority revoked
If the mint authority is not revoked, the deployer can print unlimited new tokens and sell them into the liquidity pool — instant, mathematically guaranteed dilution. Check on Solscan by opening the token mint and looking at the "Mint Authority" field. It should read "None" or "Revoked". On pump.fun graduates, this is revoked at graduation automatically — but verify anyway.
3. Freeze authority revoked
Freeze authority lets the deployer freeze any holder's token account, preventing sells. It should be revoked on any token where you're a buyer. Check the same Solscan token page. This check takes 10 seconds — the cost of skipping it is a position you can never exit. Full details: Mint Authority, Freeze Authority & LP Explained.
4. LP burned or locked
If the developer still holds the liquidity pool tokens, they can withdraw all trading liquidity in one transaction. On pump.fun graduates the LP is burned at graduation. For other tokens, verify the LP token is sent to a burn address or locked in a verifiable locker. An unburned LP on a non-pump token is a disqualifying flag — it was one of our top-five rejection reasons in live telemetry (100+ rejections).
5. No hostile Token-2022 extensions
Solana's Token-2022 standard supports extensions including transfer hooks — code the developer controls that runs on every transfer and can silently block sells (the honeypot). Also check for permanent delegate and confidential transfer extensions. Our engine logged 58 transfer-hook rejections and 45 freeze-authority rejections in a single week of monitoring. There is no legitimate reason for a memecoin to carry these.
6. Low bundler count
Bundling is when the deployer pre-buys through dozens of fresh wallets in the launch transaction block, faking organic demand while secretly holding most of the supply. Check for wallets funded from a common source wallet within minutes of launch all entering in the same block. High bundler count was our 4th most common rejection flag (160 rejections). This is one person wearing forty masks.
7. Creator wallet history
Find the deployer wallet (from Solscan mint history or the pump.fun coin page), open it, and count prior launches. Check what happened to two or three of them. Ten prior launches with identical chart patterns (spike, zero) is a factory. Our engine auto-rejects creators at 50+ prior launches — 336 such cases in our live telemetry. One confirmed rug earns a permanent blacklist on our desk. Step-by-step: How to Check a Solana Token's Creator Wallet.
The question is not 'could this token moon?' — that's always yes. The question is 'can the insiders make me hold the bag?' That one has a checkable answer.
What passing all 7 due-diligence checks means
A token that clears every check is worth considering — it has cleared the contractual rug vectors and doesn't have a serial-scam pedigree. It is not guaranteed safe. In our live 2026 cohort, 15.1% of tokens that passed every gate still rugged — supply-based dumps from insiders who held a distributed-looking but secretly coordinated position. The checklist removes the obvious scams; it doesn't protect you from an insider ring with enough patience to distribute their bags before dumping.
What changes for checked tokens: the mode of failure shifts from "contract trap" to "insider exit," which means your protection comes from position sizing, fast exits, and alerts — not from having done the homework. Read the exit framework: When to Sell a Solana Memecoin.
The fast-track version of the token due-diligence check
Every check above is automated in a MemeAssist report: paste any Solana mint address and get holder concentration (with pool excluded), authority status, LP status, extension flags, bundler count and creator history in one view — the same data our desk uses to gate every entry. Free for one analysis per day. The complete manual workflow walks through each step if you prefer to do it tool-by-tool.
Frequently asked questions
What is the most important check before buying a Solana memecoin?
Top-10 holder concentration (excluding the liquidity pool). It is the single most frequent danger flag in MemeAssist's telemetry, and it's the one rug vector that survives every other safety check — insiders can dump concentrated supply even with burned LP and revoked authorities.
How do I check if a Solana token's mint authority is revoked?
Open the token mint address on Solscan. Look for the 'Mint Authority' field — it should read 'None' or 'Revoked'. If it shows a wallet address, the deployer can still print new tokens.
Is it safe to buy a pump.fun token right after graduation?
Pump.fun graduation automatically burns LP and revokes mint authority, which removes two of the biggest rug vectors. But it doesn't eliminate insider-supply dumps or bundled-launch concentration. Use the remaining checklist items — and size for the 15% residual rug rate our data shows on even fully screened tokens.
How long does a full on-chain due-diligence check take?
Manually, about 1–2 minutes for a basic pass (holder list, mint/freeze authority, LP status). Checking creator history adds another 2–3 minutes. MemeAssist automates the whole process into one report — same data, seconds.
Does the checklist guarantee a token won't rug?
No. 15.1% of the tokens in our live 2026 cohort that passed every automated check still rugged. The checklist eliminates contract-trap vectors; it doesn't prevent insiders from selling concentrated supply they legally hold. Treat a passing token as 'worth considering', not 'safe'.
Sources & further reading
- Chainalysis — Crypto Crime Report
- Solana SPL Token documentation (authorities)
- Solana Token-2022 extensions guide
- Solscan — Solana block explorer
- Mazorra et al., 'Do Not Rug Me' (arXiv)