Fees and Burn
Fees are calculated and charged to the user during various message executions on the network. Types of fees on network include fixed and variable.
Fixed Fees
Fixed fees are incurred by users during simple transactions that require minimal computational effort as a way to deter bad-acting users from spamming the network. Fixed fees are burnt following a Proof of Burn mechanism and are required for any action on the network, including:
Creating a Pastel ID (a persistent identity used on the network).
Creating or modifying a "user name".
NFT Registration
NFT Transfer
Sense and Cascade Transfers
Variable Fees
Variable fees are charged to users proportionate to the amount of compute or storage resources required to execute specific operations. Variable fees on Pastel leverage a mechanism that automatically adjusts relative to network difficulty and computational resources in order to keep them reasonable despite large changes in the dollar value of Pastel's native PSL currency token. Variable fees are either burnt or distributed to the SuperNodes that process a user's requests and include:
NFT Activation
NFT Offer, Accept
Sense API (i.e., Pastel's near-duplicate image detection system)
Cascade API (i.e., the underlying storage layer of Pastel)
Sense and Cascade Offer, Accept
Current Fee Schedule
Create Pastel ID
1,000
Burnt by User
User Name Change (first change)
100
Burnt by User
User Name Change (any subsequent changes)
5,000
Burnt by User
NFT Registration
10
Burnt by Registering SuperNode
NFT Activation (Fixed)
10
Burnt by User
NFT Activation (Variable)
NFT Image Storage (1):
50 PSL / 1 MB
+
NFT Ticket Storage (2):
3 PSL / 1 KB
54% to Registering Principal SuperNode
36% split between two Verifying SuperNodes (18% to each)
10% Burnt
NFT Offer
2% of Sale Price, minimum 10 PSL
Burnt by the current NFT owner
NFT Accept
1% of Sale Price,
minimum 10 PSL
Burnt by the new NFT owner
NFT Transfer (Fixed)
10
Burnt by the current NFT owner
OpenAPI-Sense Registration
(Fixed)
10
Burnt by User
OpenAPI-Sense Activation
(Fixed)
10
Burnt by User
OpenAPI-Sense (Variable)
Sense API by Image Size:
10 PSL / MB
+
Image Storage (1):
250
+
Sense Ticket Storage (2):
15
48% to Registering Principal SuperNode
32% split between two Verifying SuperNodes (16% to each)
20% Burnt
OpenAPI-Cascade
Registration
(Fixed)
10
Burnt by User
OpenAPI-Cascade
Activation
(Fixed)
10
Burnt by User
OpenAPI-Cascade (Variable)
Cascade Data Storage:
50 PSL / 1 MB
+
Cascade Ticket Storage (2):
15
48% to Registering Principal SuperNode
32% split between two Verifying SuperNodes (16% to each)
20% Burnt
OpenAPI-Sense and Cascade Offer
2% of Variable Price,
minimum 10 PSL
Burnt by the current owner
OpenAPI-Sense and Cascade Accept
1% of Variable Price,
minimum 10 PSL
Burnt by the new owner
OpenAPI-Sense and Cascade Transfer
10
Burnt by the current owner
Network Storage Fee per MB is calculated as the "Trimean" of the specified network fees of all ENABLED SuperNodes. The Trimean simply drops the bottom and top quartile before averaging the results in the 50th to 75th percentile, which results in a more robust estimate that can't be distorted by excessively high or low specified fee levels; this prevents malicious SuperNodes from manipulating fee levels to impractical levels that are either too low to offset the cost of providing the service or too high to make sense for users. The default Network Fee per MB is set to 50 PSL, although individual SuperNodes can modify this for their own nodes.
Ticket Storage Fee per KB is calculated as an average of NFT Ticket Storage Fees of all ENABLED SuperNodes. Default Ticket Storage Fee is 3 PSL per KB.
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