Decentralised synthetic assets

How to mint Synths without using Mintr

How to mint Synths without using Mintr

Mintr and Synthetix.Exchange have now been updated to support the new Trezor firmware update, 1.8.0. Thank you to everyone who has provided feedback on our dApps over the last few days. Firmware updates are out of our control, but we will always attempt to respond quickly to ensure our dApps are compatible with the latest hardware.

Just in case people update their hardware wallets before we get a chance to update our dApps, we thought this was a good opportunity to let people know that there are alternative ways to interact with our smart contracts on Ethereum, and thus, perform any action our dApps enable. The two easiest ways to use smart contracts without touching a dApp are MyEtherWallet and EtherScan.

Here's an example of how to stake your SNX to issue the maximum number of Synths and be eligible for SNX staking rewards.


  • Find the issueMaxSynths function
  • Enter the currencyKey for sUSD in Hex 0x73555344. To mint another Synth choose any of the available Currency Keys;
    sUSD 0x73555344
    sAUD 0x73415544
    sEUR 0x73455552
    sJPY 0x734a5059
    sKRW 0x734b5257
    sCNY 0x73434e59
    sSGD 0x73534744
    sCAD 0x73434144
    sRUB 0x73525542
    sINR 0x73494e52
    sBRL 0x7342524c
    sNZD 0x734e5a44
    sPLN 0x73504c4e
    sXAU 0x73584155
    sXAG 0x73584147
    sBTC 0x73425443
    sETH 0x73455448
  • Click the Write button
  • Confirm the transaction.


3. Select issueMaxSynths from the dropdown and then enter the hex currency key for sUSD 0x73555344 and select Write

4. This will start a transaction confirmation with your wallet provider (Trezor / Ledger / other).

You should now have the sUSD issued into your wallet, available to be traded on for other Synths such as sBTC and sEUR.

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