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Launch playbook

How to launch with Flap on Robinhood Chain and BNB

Flap is the bonding-curve launch path Trenchables uses on Robinhood Chain and BNB—closer to Pump-style curves than bare ERC-20 deploys.

9 min readReviewed July 26, 2026Launch playbook

The short answer

Flap.sh is a multi-chain meme launch surface. In Trenchables, Flap is the default curve protocol on the Robinhood and BNB rails (non-tax and tax V3 profiles depending on network configuration). You connect an EVM wallet on the correct chain, configure the coin, and launch a curve-style market—not a raw “deploy and pray” contract with zero buyers.

What Flap is in Trenchables

On Solana, Trenchables’ deepest integration historically centers on Pump.fun. On EVM rails, Flap provides the bonding-curve product experience: create, trade on curve, optional tax variants, vaults/dividends features depending on version.

Do not confuse Flap curve launches with the separate Robinhood fixed-supply ERC-20 walkthrough. ERC-20 deploy creates a contract. Flap creates a market mechanism.

Robinhood vs BNB Flap

  • Robinhood rail. EVM wallet on Robinhood Chain, ETH gas, Flap portal addresses for that network. Discovery culture is still forming—liquidity and exits can be thinner than Solana meme venues.
  • BNB rail. EVM wallet on BNB Chain, BNB gas. Competes for attention with Four.meme and Pancake-native flows. Confirm whether you want Flap curve, Four.meme curve, or direct DEX liquidity.

Non-tax vs tax V3

Flap supports modes that include tax-token style configuration (V3). Taxes change buy/sell economics for everyone—including you. If you enable tax features:

  • Document the rates in plain language before you shill.
  • Test sells on a burner—honeypot patterns still exist in tax-land.
  • Assume sophisticated traders price the tax into entry immediately.

Launch path in Trenchables

  1. Open /launch.
  2. Select Robinhood or BNB.
  3. Keep Flap.sh as the provider (default on those rails).
  4. Connect an EVM wallet; switch network if the UI demands it.
  5. Fill metadata, choose non-tax vs tax profile as offered, set buys carefully.
  6. Review receipt/simulation, sign, confirm on the matching explorer.

Primary and official sources

Next

BNB’s default meme curve competitor is Four.meme.