Copying another wallet on-chain means pointing a bot at a specific wallet address and having it auto-execute every trade that address makes, using your own funds, with no CEX account in the middle. Two levels: passive tracking (Nansen or Arkham alert you after a wallet moves) and active automated mirroring (a Telegram bot places the same trade before you even read the notification). Most search results on this topic point to Binance or Bybit copy trading, which mirrors futures positions from a curated leaderboard inside a custodial exchange. On-chain wallet mirroring copies any address you choose, on spot markets, without a social trading layer. Different mechanisms entirely.
Why CEX Copy Trading Is Not the Same as Copying a Real On-Chain Wallet
CEX copy trading lets you follow verified traders who opted into a leaderboard. You are copying their perpetual futures positions inside a custodial exchange; the wallet is not visible to you, and you cannot mirror spot trades on DEXs.
On-chain mirroring flips every constraint: you pick any address and the bot fires the same transaction when it detects activity. No leaderboard, no approval process. The risk profile differs: DEX spot trades can go to zero, and the wallet you copy can dump faster than your exit. CEX copy trading does not solve this use case.
Level 1, Passive: Tracking a Wallet with Nansen or Arkham Alerts
Passive tracking means subscribing to notifications, not automating execution. Nansen and Arkham Intelligence let you tag a wallet address and receive alerts when it moves: what token, at what size, from which contract. Set an alert for swap activity, and when it fires, execute manually or through a bot you trigger yourself. The friction is real: by the time you read the alert and place a buy, the price has moved. On Solana, memecoins can run 5x in minutes, so passive alerts suit longer time-horizon wallets better than fast memecoin snipers. For the latter, you need Level 2. Deeper context on how to track a wallet and copy its trades on-chain is in the Banana Gun blog breakdown.
Level 2, Active: Automated Wallet Mirroring via a Telegram Bot
Active mirroring removes the human reaction step: a bot watches the target wallet at the chain level and places the same trade within the same block or within seconds, configured to your spend limits and risk parameters.
Banana Gun’s Copy Trade feature is the implementation most traders reference. Specify a wallet address, spend limit, and TP/SL thresholds; the bot mirrors across all five live chains (Ethereum, Solana, BNB Chain, Base, MegaETH) simultaneously. Three config tiers: Simple (wallet address, spend limit, TP/SL), Advanced (custom slippage and gas priority), and Advanced with Presets (saved configurations for different market conditions). The Top Traders widget surfaces the top-50 wallets by realized PnL, each labeled as dev, sniper, or bundler, so you can filter out wallets running on inside information.
Set up Banana Gun’s copy trade feature through the web terminal or the Telegram bot. The same wallet syncs across both; configuration takes about two minutes once you have the target address.
How to Pick a Wallet Worth Copying (and the Risk That It Dumps Before You Exit)
Wallet selection is harder than the tooling problem. A strong PnL history is not copying-safe; past memecoin performance is largely noise. Look for consistent entry and exit behavior, wallet age, and hold times in the minutes-to-hours range rather than seconds.
The exit risk kills copy traders who do not think it through. The wallet you mirror exits before you do, by definition. If it dumps a large position, your copy trade executes into falling liquidity. A hard stop-loss in the configuration is the practical hedge: you define the floor, the bot enforces it. The analysis at whether copy trading is actually profitable is worth reading before you commit capital. Filters that narrow the field: 50-plus round trips in 30 days, average hold under 6 hours for memecoin plays, win rate above 55% on positions over $1,000.
A Repeatable On-Chain Copy Setup
A repeatable sequence:
- Use Nansen or Arkham to identify candidate wallets. Filter by realized PnL over 30 days, not unrealized. Shortlist three to five addresses.
- Review each wallet’s trade history. Look at exits, not just entries. Discard any wallet with a pattern of buying early and selling into retail.
- Configure Simple mode: wallet address, spend limit of 1-2% of capital per position, TP at 2x, SL at minus 25%.
- Monitor the first five trades manually to confirm execution matches your parameters, then step back.
- Reassess every two weeks. If win rate drops below threshold across the last 10 trades, rotate to a different address.
The full configuration is inside Banana Gun Pro: wallet live activity and your copy trades side-by-side, no switching between Nansen alerts and a separate trading window.
Frequently Asked Questions
Can you copy a wallet automatically without writing code?
Yes. Bots like Banana Gun let you configure copy trade mirroring through a no-code interface: paste a wallet address, set spend limits and risk parameters, the bot handles execution. No code or API wiring required.
What is the difference between Nansen wallet tracking and automated copy trading?
Nansen sends an alert after a wallet transacts; you must act manually. Automated copy trading bots execute the same trade within seconds of detecting the transaction. For fast-moving markets, that latency gap is the difference between getting the trade and missing it.