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Deployments

All known deployments of Djed are listed in the table below, along with their implementations, user interfaces, parameters and the oracles on which they depend.
Deployment
Implementation
UIs
Parameters
Oracle
​SigmaUSD
on
Ergo


Since: February 2021
​Agenor​
​sigmausd.io

tokenjay.app/app/#ageusd​
Peg: USD
BaseCoin: ERG
​
Fee: 2%
Minimum Reserve Ratio: 400%
Maximum Reserve Ratio: 800%

UI Fees: 0% - 0.25%


​Ergo Oracle Pools​
​Decentralized operation open to anyone who stakes ERG into the oracle pool
Update period: ~12 minutes 
(2 blocks)
Maximum price change per update: 0.49%, unless the price discrepancy is greater than 50%
COTI's Djed
on
Cardano


Since: February 2023
​Minimal Djed in Plutus​
​www.djed.xyz/​
Peg: USD
BaseCoin: ADA
​
Fee: 1.5%
Minimum Reserve Ratio: 400%
Maximum Reserve Ratio: 800%

Operator Fee: 25 ADA

Minimum Transaction Limits:
* Buy SC: 1000 SC
* Sell SC: 200 SC
* Buy RC: 1000 RC
* Sell RC: 500 RC
(Enforced at the UI.)
Operation by COTI
More than 6 data sources
Sources are checked every 15 minutes.
Outliers are removed if the prices they provide differ from the median of the 6 prices by more than a parameter currently set to 0.06%. If more than 3 sources remain, the median of their prices is computed, signed and made available by the operator.
The signed price remains valid for 15 minutes.
Milkomeda Djed Dollar
on
Milkomeda-C1​
​Belus​
​milkomeda-c1.djed.one/​
Peg: USD
BaseCoin: mADA
​
Fee: 1.5%
Minimum Reserve Ratio: 400%
Maximum Reserve Ratio: 800%

UI Fee: 0%

Djed Alliance Treasury Fee: 0.25% initially and linearly decreasing to 0%.

Maximum Transaction Limit:
~ 10000 USD worth of BCs (enforced by the contract.)
MOO Oracle
Operation by Milkomeda Nodes
Sources are checked every ~10 seconds
Outliers are removed if the prices they provide differ from the mean by more than 2 standard deviations. 
The mean of the remaining prices is calculated.
If the new mean price differs from the last price posted on the blockchain by more than 1%, the new mean price is posted and the price is updated on the blockchain.
If you know a deployment of Djed that is not listed above, please contact us.
If you would like to deploy an implementation of Djed, contact us.
The list above is for information purposes only. Appearance in the list does not mean that the deployment is associated with or endorsed by the Djed Alliance.

Deployment	Implementation	UIs	Parameters	Oracle
SigmaUSD on Ergo Since: February 2021	Agenor	sigmausd.io tokenjay.app/app/#ageusd	Peg: USD BaseCoin: ERG Fee: 2% Minimum Reserve Ratio: 400% Maximum Reserve Ratio: 800% UI Fees: 0% - 0.25%	Ergo Oracle Pools Decentralized operation open to anyone who stakes ERG into the oracle pool Update period: ~12 minutes (2 blocks) Maximum price change per update: 0.49%, unless the price discrepancy is greater than 50%
COTI's Djed on Cardano Since: February 2023	Minimal Djed in Plutus	www.djed.xyz/	Peg: USD BaseCoin: ADA Fee: 1.5% Minimum Reserve Ratio: 400% Maximum Reserve Ratio: 800% Operator Fee: 25 ADA Minimum Transaction Limits: * Buy SC: 1000 SC * Sell SC: 200 SC * Buy RC: 1000 RC * Sell RC: 500 RC (Enforced at the UI.)	Operation by COTI More than 6 data sources Sources are checked every 15 minutes. Outliers are removed if the prices they provide differ from the median of the 6 prices by more than a parameter currently set to 0.06%. If more than 3 sources remain, the median of their prices is computed, signed and made available by the operator. The signed price remains valid for 15 minutes.
Milkomeda Djed Dollar on Milkomeda-C1	Belus	milkomeda-c1.djed.one/	Peg: USD BaseCoin: mADA Fee: 1.5% Minimum Reserve Ratio: 400% Maximum Reserve Ratio: 800% UI Fee: 0% Djed Alliance Treasury Fee: 0.25% initially and linearly decreasing to 0%. Maximum Transaction Limit: ~ 10000 USD worth of BCs (enforced by the contract.)	MOO Oracle Operation by Milkomeda Nodes Sources are checked every ~10 seconds Outliers are removed if the prices they provide differ from the mean by more than 2 standard deviations. The mean of the remaining prices is calculated. If the new mean price differs from the last price posted on the blockchain by more than 1%, the new mean price is posted and the price is updated on the blockchain.

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