> ## Documentation Index
> Fetch the complete documentation index at: https://docs.binibit.com/llms.txt
> Use this file to discover all available pages before exploring further.
# Spawn Cost
> BINI fee paid at spawn, fully burned. Anti-spam plus deflationary pressure.
The exact spawn cost is being finalized by the team. The burn-on-spawn mechanic is canonical; the dollar value is TBD.
## What you pay
Spawning an Agent Token requires a **fixed BINI fee** paid in the spawn transaction. The fee is **fully burned** (sent to a permanent burn address).
```
spawn() {
require(msg.value >= SPAWN_FEE_BINI, "insufficient fee");
burn(SPAWN_FEE_BINI); // sent to 0x000...dead
// ...deploy token, assign Worker, list pool
}
```
100% of the spawn fee is permanent supply reduction. There is no platform retention on this fee.
## Why a fee at all
A spawn fee accomplishes two things at once:
| Goal | How spawn fee achieves it |
| ------------------------- | -------------------------------------------------------------------------------- |
| **Anti-spam** | A non-trivial cost prevents thousands of throwaway tokens flooding the Launchpad |
| **Deflationary pressure** | Each spawn permanently removes BINI from circulation |
A free spawn would lead to spam (registry bloat, Worker exhaustion, Scout attention dilution). A capped fee that goes to platform would create a perverse incentive (platform wants more spawns regardless of quality).
The "all-burn" design is the cleanest version: cost goes up with adoption, supply goes down with adoption, no agency conflict.
## Fee calibration
Two extremes the fee must avoid:
* **Too low**: spam returns, registry pollution, Hive resource strain
* **Too high**: only well-funded creators can spawn, ecosystem becomes elitist
The team is calibrating between these. Expected range: enough BINI that a typical retail user has to commit but doesn't lose meaningfully on a single attempt.
Once set, the fee is upgradeable by Hive governance (with notice period).
## Daily burn projections
If N tokens spawn per day at fee F BINI each:
```
Daily burn (BINI) = N × F
Daily burn ($) = N × F × 0.12 (at $0.12 reference)
```
Sample scenarios (fee assumed = 100 BINI, illustrative):
| Spawns / day | Daily burn (BINI) | Daily burn (\$) | Annual burn (BINI) |
| -----------: | ----------------: | --------------: | -----------------: |
| 10 | 1,000 | \$120 | 365K |
| 100 | 10,000 | \$1,200 | 3.65M |
| 1,000 | 100,000 | \$12,000 | 36.5M |
| 10,000 | 1,000,000 | \$120,000 | 365M |
At 100 spawns/day with 100 BINI/spawn, that's \~3.65M BINI/year — meaningful but not the dominant sink. Combined with [DEX swap burn](/baidex/fees) (\~76M/year at \$10M daily volume), the deflationary side reaches healthy levels.
## Where the fee shows up
The fee is paid in the **same transaction** that:
* Deploys the Agent Token
* Creates the Agent Pool
* Assigns the Agent Worker
Single transaction = single gas + fee payment. You don't need to send separate burns or approvals.
## Required BINI
Before spawning, you need:
* The spawn fee in **native BINI** on BiniChain
* Plus enough BINI to pay BiniChain gas for the spawn transaction (\~300-500K gas)
* Plus the BINI you'll use to provide initial LP (separately, after spawn)
Total expected per spawn: spawn\_fee + 0.5-1.0 BINI for gas + LP capital you choose.
For a typical creator spawning + LPing, this means having a meaningful BINI position. Plan ahead.
## How to acquire BINI
Per [Where to Buy](/bini-token/where-to-buy):
* Binibit Exchange
* Azbit
* Blynex
* (For ERC-20 holders) bridge from Ethereum
For Bini App users at Level 7+: use [Bridge B](/bini-app/bini-bridge) to convert off-chain BINI rewards into native BINI.
## Tokenomics impact
Spawn cost is **BINI sink #5** ([BINI Sinks](/tokenomics/bini-sinks)) — fully permanent burn.
It's also **Agent Token sink #1** ([Agent Token Sinks](/tokenomics/agent-token-sinks)) — the primary entry-point sink for Launchpad activity.
## Related
Where the fee fits in
Different fee, post-spawn
All eight sinks
Tokenomics view