Skip to content
solscanner

Explorer review · OKLink

OKLink review: OKX's multi-chain Solana explorer

OKLink is the multi-chain block explorer run by the OKX group, with Solana support at oklink.com/solana. It covers transactions, addresses, tokens and network stats, and adds entity labels and compliance-grade AML tools. Pick it when you follow funds across chains; for Solana-only work, Solscan or Orb go deeper.

Regulated exchange · FinCEN & FCA registered · since 2013 Updated · 7 min read

Coin stacks under a sphere illustrating the OKLink Solana explorer by OKX and its multi-chain data
8.0 Score
/ 10

Operator

OKX group

Solana URL

oklink.com/solana

Scope

Multi-chain

Extras

Labels, AML, API

8.0/ 10

Our verdict

OKLink

Visit site ↗

Best for: Investigators, compliance teams and users who follow the same funds across Solana and other chains.

Speed8.2

Token data7.8

Readability7.8

Developer tools8.2

What we like

  • +One interface and account for many chains
  • +Entity labels backed by a large address-label database
  • +Onchain AML and risk tools for compliance work
  • +Explorer data also available through an API

What could be better

  • Solana pages less detailed than Solana-native explorers
  • Fewer Solana-specific extras such as IDLs or plain-language tx summaries
  • Advanced AML features aimed at business customers

Most Solana explorers only know Solana. OKLink covers many chains, and Solana is one of them. The OKLink Solana explorer, run by the OKX group at oklink.com/solana, gives you the standard block explorer pages for transactions, addresses and tokens, then layers on entity labels, address monitoring and compliance tools that come from OKLink’s background in on-chain investigation. That mix makes it a strong second explorer for anyone who follows money across chains, and a slightly shallower first choice for everyday Solana use. This review covers what it does well, where Solana-native explorers still win, and when a multi-chain view is worth it.

OKLink is the blockchain explorer and data brand of the OKX group, one of the large crypto exchange groups. It runs explorers for many networks under one site, with Solana support at oklink.com/solana.

That ownership matters in two ways. First, OKLink is not a Solana-native team, so it builds features that work across chains rather than features unique to Solana. Second, it has a commercial focus on data and compliance products, which explains the AML and investigator tools you won’t find on most Solana explorers. For context on how other explorers are owned (Solscan by Etherscan, Solana Explorer by the Solana Foundation, Orb by Helius), see our ranking of the best Solana explorers.

What the OKX Solana explorer shows: transactions, addresses, tokens

On Solana, OKLink covers the core explorer pages: blocks, transactions, addresses, tokens and network statistics. If you have used any block explorer before, the layout will feel familiar within a minute.

Transactions

Status and transfers

Paste a signature to see whether it succeeded, the fee, the slot and the token movements involved.

Addresses

Balances and labels

Wallet pages show SOL and token holdings, history and, where known, the entity behind the address.

Tokens

Supply and holders

Token pages list supply and holders, useful for a first look before a deeper check elsewhere.

A Solana transaction signature is a 64-byte Ed25519 signature, which usually shows up as an 87–88 character base58 string. An address is a 32-byte public key, 32–44 characters in base58. Both work in OKLink’s search bar just as they do in Solscan or Solana Explorer, because they are properties of the chain, not of any explorer. If you want to know what every field on a transaction page means, our Solana transaction explorer guide goes through status, fees, compute units and inner instructions.

Where OKLink is thinner is Solana-specific detail. Solana-native explorers add things like program IDL views, verified-build status, Token-2022 extension tabs and plain-language transaction summaries. OKLink’s pages are built to look consistent across chains, which is great for comparing networks and less great when you want Solana’s quirks explained.

Entity labels and investigator tools

OKLink’s labels and investigation tools are the main reason to choose it. The platform tags addresses with entity names and risk categories, and offers features like private labels, address monitoring and a token approval checker.

OKLink says its labels come from a large address-label database covering hundreds of categories and tens of thousands of entities, curated by in-house security and forensic staff with open-source intelligence research. In practice, that means an exchange deposit address or a known exploit wallet is more likely to carry a readable name, and a flow of funds reads like a story instead of a list of random strings.

How to read a label: an entity label is the explorer's claim about who controls an address, not an on-chain fact. Labels from a well-resourced team are usually right, but they can lag behind reality or disagree between explorers. For anything that affects money or reputation, confirm the label in a second explorer, such as Solscan's labelled address pages.

Private labels let you tag addresses yourself, so a list of wallets you are watching stays readable. Address monitoring alerts you when a watched address moves. Together, they turn the explorer into a light investigation workspace, which is useful if you track treasury wallets, a hacked account or a counterparty.

Compliance and Onchain AML: who needs it?

OKLink’s Onchain AML products are aimed at businesses that must screen crypto transactions for risk, such as exchanges, payment firms and custodians. Most individual users will only touch the free explorer side.

The AML offering is sold as a set of REST APIs, designed to OpenAPI specifications, for real-time risk detection on transactions, wallet addresses and tokens. A compliance team can check whether a deposit came from a sanctioned or high-risk source before crediting it. This is a different market from the one Solscan or Orb serve, and it is the clearest way OKLink stands apart among Solana explorers.

For regulated firms, screening sits inside wider obligations. In the US, money services businesses register with FinCEN, and you can look up registrants in the FinCEN MSB search. In the UK, crypto firms fall under the FCA’s anti-money-laundering regime described on its cryptoasset AML page. An explorer’s risk label does not replace those obligations, but it is one input a compliance analyst uses.

OKLink offers its explorer data through an API, alongside the separate Onchain AML APIs. It suits teams that already need multi-chain data and want one provider for all of it.

If your product touches Solana and Ethereum and a few other chains, one API with the same conventions everywhere saves real integration work. If you only need Solana, compare it with Solana-native options first: the official RPC methods such as getSignaturesForAddress cover signatures and history for free (the public endpoint allows 100 requests per 10 seconds per IP and is not for production), and explorer APIs like Solscan’s offer Solana-specific endpoints. Our Solana explorer API comparison lines up the choices. Check OKLink’s own API guide for current plans and limits.

When a multi-chain Solana explorer is the right tool

A multi-chain explorer earns its place when your question does not stop at Solana’s edge. For single-chain questions, a Solana-native explorer is usually faster and more detailed.

SituationBest first toolWhy
Funds bridged from EthereumOKLinkSame labels across both chains
AML screening of a depositOKLinkRisk labels and AML APIs
Token holder list, CSV exportSolscanDeeper Solana token data
Understand a complex swapOrb (Helius)Plain-language explanations
Check a devnet programSolana ExplorerClusters, IDLs, verified builds

The strongest case is cross-chain tracing. Stolen or laundered funds often hop between chains through bridges, and following them in one interface, with consistent labels, is much easier than juggling several explorers. OKX users may also find it natural, since the explorer comes from the same group. For wallet-focused research on Solana alone, our Solana wallet explorer guide explains the best habits and tools.

Coin inside a network of links, showing multi-chain tracing with the OKX Solana explorer
Multi-chain explorers are most useful when funds move between networks and you need one set of labels to follow them.

A cross-chain trace is a chain of small, careful lookups. OKLink helps because the labels and layout stay the same when you switch networks, but the method is the same in any explorer.

Start on the Solana side. Open the address you care about and find the outgoing transfer that matters, noting the signature, the amount, the token mint and the time. If the destination is a labelled bridge or exchange, the label tells you where to look next. Open that transaction and check which program it called: bridge transactions usually include a message or recipient field that points to an address on the other chain.

Next, switch OKLink to the destination network and search for that recipient around the same time. Matching amounts and timestamps is what links the two sides; a label alone is not enough. Write down each hop as you go, with signatures and links, because a trace you can’t reproduce is hard to share with an exchange, a lawyer or the police.

When a hop involves a Solana program you don’t recognise, check it in the official Solana Explorer, which shows whether the program has a verified build. And if the token itself looks unfamiliar, our Solana token explorer guide explains how to confirm its mint and authorities before you draw conclusions.

OKLink’s weaknesses on Solana come from the same design choice as its strengths: it is built to be consistent across chains, so Solana-specific depth comes second.

You won’t find the program-level detail that developers expect from the official Solana Explorer, such as IDL tabs or verified-build status. Transaction pages are clear but literal compared with Orb’s plain-language summaries. Token pages cover supply and holders, but Solscan’s holder tools and exports are richer. And some of the most distinctive features, like the AML APIs, are business products rather than something an individual user will pay for.

OKLink is the explorer you open when the money leaves Solana; for everything that stays on Solana, a native explorer sees more.

We score OKLink 8.0 out of 10. It is a solid, fast explorer with labels and compliance tools no Solana-native explorer matches, held back by thinner Solana-specific detail.

Keep it bookmarked if you investigate funds across chains, work in compliance, or already live in the OKX ecosystem. Use Solscan, Orb or Solana Explorer as your daily Solana driver. And when you only need a quick, account-free answer, paste the address or signature into our free lookup tool, which reads directly from public Solana RPC. You can try the explorer itself at oklink.com/solana.

By the Solscanner research deskUpdated · Review methodology

Frequently asked questions

Is OKLink the same as the OKX Solana explorer?

Yes, in practice. OKLink is the blockchain data and explorer brand of the OKX group, and its Solana explorer lives at oklink.com/solana. OKX also shows an explorer inside its web3 wallet site. Either way you are looking at OKX-run infrastructure, separate from Solana-native explorers like Solscan (Etherscan) or Solana Explorer (Solana Foundation).

Is the OKLink Solana explorer free?

Browsing transactions, addresses, tokens and stats on oklink.com/solana is free. Some tools, such as private labels and address monitoring, may need an OKLink account, and the Onchain AML products and higher API usage are sold to businesses. Check OKLink's API guide for current access terms, as we do not quote limits or prices we could not verify.

What are OKLink entity labels?

Entity labels are names attached to addresses, such as an exchange hot wallet, a protocol contract or a known scam address. OKLink says its labels come from a large database curated by in-house security researchers and open-source intelligence. Labels make fund flows much faster to read, but they are opinions about ownership, so confirm important ones with a second source.

When should I use OKLink instead of Solscan?

Use OKLink when your question crosses chains, for example tracing funds that were bridged from Ethereum to Solana, or when you need AML-style risk labels for compliance. Use Solscan for Solana-only work such as token holder lists, CSV exports and decoded Solana transactions. Solscan scores 9.4 in our ranking against 8.0 for OKLink.

Does OKLink have an API for Solana data?

Yes. OKLink offers explorer data through an API, plus separate Onchain AML APIs built on OpenAPI specifications for risk screening of transactions, addresses and tokens. Documentation is in OKLink's API guide. For simple Solana lookups like balances or signatures, the free public Solana RPC may be enough for testing.

Partner link

Trace a Solana address without signing up

Our free lookup tool reads balances and recent transactions for any address straight from public Solana RPC.

Get started

Takes a few minutes · ID verification required

Our partner exchange, CEX.IO, has operated since 2013. It is registered with FinCEN as a Money Services Business, holds money transmitter licences in 38 US states plus DC, is registered with the UK FCA (FRN 1007192) and is PCI DSS Level 1 certified. Availability depends on your country. Crypto is volatile: only invest what you can afford to lose.

Keep exploring

Related guides and reviews from the index