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