MetaSleuth review

Web app · Web · API

Verdict. A free fund-tracing tool from the security firm BlockSec that also gives each address a five-level compliance risk score with labels such as Sanctioned or Mixer — no sign-up, on 12 networks. It is built for investigations rather than quick screening: there is no PDF report, transactions get no risk score of their own, and TON, Litecoin and XRP are not covered.

How the score adds up

Six criteria, weighted as published in our methodology. Each note lists what we could and could not verify.

Price & free checksWeight 20%10.0

A free check is available, free checks, no subscription needed and full price list is public.

Network coverageWeight 20%7.0

7 of the 10 core networks are confirmed in its own docs: Bitcoin, Ethereum, TRON, BNB Chain, Polygon, Arbitrum and Solana.

Report depthWeight 20%6.0

Numeric risk score and breakdown by risk category. Missing: PDF report not offered and transaction-hash checks not offered.

TransparencyWeight 20%7.5

Operator named (BlockSec) and says it uses its own attribution data.

PrivacyWeight 10%10.0

No wallet connection — you only paste an address and no account for the first check.

ChannelsWeight 10%5.0

Available via Web and API.

How each criterion is scored →

Pros

  • Free, with no account and no wallet connection
  • Five-level risk score with labels from BlockSec’s own AML team
  • Fund-flow graph shows where money came from and where it went
  • 7 of the 10 networks we track, plus Base, Avalanche, Optimism, Linea and Mantle

Cons

  • No PDF report: exports are CSV or PNG
  • Transaction hashes can be traced but get no risk score
  • Operator named only as “BlockSec”, with no registered entity or address on its pages
  • No TON, Litecoin or XRP

Prices

Free web app$0 · no sign-up
Basic$30 · per month
Pro$100 · per month
Risk Score API (add-on)$499 · per month
From the service’s own pages · source · checked 4 Oct 2026

Supported networks

Bitcoin · Supported Ethereum · Supported TRON · Supported BNB Chain · Supported Polygon · Supported Arbitrum · Supported Solana · Supported Base · Supported Avalanche · Supported Optimism · Supported zkSync Era · Not verified Celo · Not verified Linea · Supported Cronos · Not verified Mantle · Supported Gnosis Chain · Not verified Blast · Not verified Fantom Opera · Not verified Moonbeam · Not verified TON · Not supported Litecoin · Not supported XRP Ledger · Not supported

12 networks named on its homepage and docs (its plans page says 11); seven more of ours appear only in its paid API, with labels but no interaction risk. “Not verified” = claimed outside its docs; “Not supported” = not listed anywhere we looked.

Channels

WebAPI

Who runs it

BlockSec — a blockchain security company; its terms are governed by Hong Kong law, and no registered entity or address is published. It says it uses its own attribution data.

Is MetaSleuth legit? Official links and fakes

MetaSleuth is run by a named company: BlockSec, a blockchain security company; its terms are governed by Hong Kong law, and no registered entity or address is published. Our scam vetting of 13 Oct 2026 — operator, regulator lists, security reports, complaints and whether it asks for a wallet connection — found no reports of fraud. Status at our automatic check of 4 Nov 2026: couldn’t check. The real service only needs a public address — anything asking for a seed phrase, a wallet connection or a signature is fake.

Scammers copy AML brands with look-alike sites and Telegram bots. Open a service only from its official website, never connect a wallet or sign a transaction to “check” it, and ignore anyone who offers to recover lost crypto in its name. Live list of fake AML checkers

Alternatives

All MetaSleuth alternatives compared →   Compare side by side →

FAQ

Is MetaSleuth free?

Yes. Its Free plan costs $0 a month and its docs say you don’t need to register or log in to search. Paid plans from $30 a month add investigation features, and the Risk Score API is a $499-a-month add-on.

How does MetaSleuth score risk?

Its docs describe five levels — No, Low, Medium, High and Critical Risk (scores 1 to 5) — based on an address’s labels and its interactions with other addresses. BlockSec advises against interacting with addresses scored 4 or higher.

Does MetaSleuth ask for a seed phrase?

It should not, and a real AML check never needs one — only a public address. Any bot or site using this name that asks for a seed phrase or a wallet connection is fake.

Can MetaSleuth guarantee my exchange won’t freeze funds?

No service can. Exchanges and stablecoin issuers use their own data and rules. A low score lowers the risk; it is not a guarantee.

A high risk score is a reason to look closer, not proof of a crime. A low score does not guarantee that an exchange or issuer will not freeze funds.