> For the complete documentation index, see [llms.txt](https://hinkal-team.gitbook.io/hinkal/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hinkal-team.gitbook.io/hinkal/hinkal-wallet/fees.md).

# Fees

Hinkal charges a privacy fee on most operations, taken as a percentage of the transaction amount and expressed in basis points (1 bps = 0.01%, so 25 bps = 0.25%). Network gas is separate and paid as usual.

**Supported chains:**

* Ethereum
* Arbitrum
* Polygon
* Base
* BNB Chain
* Robinhood
* Arc
* Solana

#### **Structure**

| Operation                             | Fee      |
| ------------------------------------- | -------- |
| Shield                                | 25 bps   |
| Unshield                              | 25 bps   |
| Public → Public                       | **Free** |
| Public → Private                      | 25 bps   |
| Public send bridge (cross-chain send) | 35 bps   |
| Public Swap                           | 35 bps   |
| Public Bridge                         | 35 bps   |
| Private → Private                     | 25 bps   |
| Private → Public                      | 25 bps   |
| Private swap                          | 35 bps   |
| dApp transactions                     | **Free** |