Wallet Address · ~5 min · ETH · ERC-20 · DeFi · India · 100+ countries
What’s covered
ETH and ERC-20
Native ETH and ERC-20 token transfers on Base.
DeFi activity
DeFi activity and on-chain transactions from the Coinbase L2 network.
Before you start
Base wallet address
Your public Base wallet address (starts with
0x). Never your private key or seed phrase.KoinX account
Free account — no credit card needed.
Connect Base to KoinX
Open KoinX Integrations
Log in to app.koinx.com → Integrations → Add Integration.
Enter your public wallet address
Paste your public Base wallet address into the address field, then click Connect.
Done. KoinX has your complete Base blockchain transaction history.
Frequently asked questions
Does KoinX support Base blockchain?
Does KoinX support Base blockchain?
Yes — KoinX supports Base blockchain integration including ETH and ERC-20 transfers, DeFi activity, and on-chain transactions from the Coinbase L2 network.
Is my Base address the same as my Ethereum address?
Is my Base address the same as my Ethereum address?
Yes — Base uses the same address format as Ethereum (
0x...). Your Base and Ethereum addresses are identical but exist on separate chains.Can I add multiple Base wallets in KoinX?
Can I add multiple Base wallets in KoinX?
Yes — add each wallet address separately under the Base integration.
Does KoinX import full Base transaction history?
Does KoinX import full Base transaction history?
Yes — KoinX fetches your complete on-chain history. Contact KoinX support if you have more than 30,000 transactions.
Does KoinX support Base Name Service (Basenames) transactions?
Does KoinX support Base Name Service (Basenames) transactions?
KoinX imports on-chain transactions associated with your Base address.
Verify your Base transactions
What does a successful Base sync look like?
What does a successful Base sync look like?
The Base integration page shows your wallet address, transaction count, and last-synced timestamp.
My Base balance doesn't match my wallet — why?
My Base balance doesn't match my wallet — why?
Verify the wallet address and refresh the sync. Contact KoinX support if the mismatch persists.
Base DeFi transactions are unclassified — what do I do?
Base DeFi transactions are unclassified — what do I do?
Click on each unclassified transaction and assign the correct category.
Troubleshooting
Base transactions aren't showing up after sync
Base transactions aren't showing up after sync
Why this happens: Incorrect wallet address or sync still in progress.Fix: Verify the address under Integrations → Base. Remove and re-add if wrong.
Base wallet sync is taking too long
Base wallet sync is taking too long
Why this happens: High transaction volume on Base.Fix: Wait up to 10 minutes. Remove and reconnect if not resolved.
DeFi transactions on Base aren't classified correctly
DeFi transactions on Base aren't classified correctly
Why this happens: Complex DeFi protocol structures.Fix: Re-sync and manually classify remaining unclassified transactions.
KoinX shows an error for my Base wallet
KoinX shows an error for my Base wallet
Why this happens: Temporary node connection issue.Fix: Click Reconnect or remove and re-add the wallet.
Does reconnecting Base wallet create duplicates?
Does reconnecting Base wallet create duplicates?
Why this happens: N/A — KoinX deduplicates automatically.Fix: No action needed.
Related integrations
Ethereum
Connect your Ethereum mainnet wallet.
Optimism (OP)
Connect your Optimism wallet.
Arbitrum
Connect your Arbitrum wallet.
Polygon (MATIC)
Connect your Polygon wallet.
Ready to generate your Base crypto tax report?
Turn your Base data into an audit-ready crypto tax report.