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93
  • AFL.
    AFL153
    Apr 10, 2025
    Discussion

    How to integrate Polygon Portal bridge to transfer USDT?

    I'm currently working on a project where I need to integrate the Polygon Portal bridge into a wallet to facilitate the transfer of USDT. Are there any documentation or resources available that can help me understand how this bridge works?

    • Polygon PoS
    0
    2
  • Cattos.
    Cattos125
    Apr 07, 2025
    Expert Q&A

    How to resolve Heimdall service install and start issues?

    I'm trying to install and start the Heimdall service on my Ubuntu server, but I'm running into errors. Initially, I faced a pre-removal script error during installation, indicating that 'heimdalld.service' was not loaded. Later, after reinstalling, the service couldn't be started as it was not found. Can anyone help me troubleshoot these issues?

    • Polygon Edge
    0
    4
  • loth.broke.
    loth.broke110
    Apr 06, 2025
    Expert Q&A

    How to fix 'Unable to get checkpoint buffer' error in Heimdall?

    I've been trying to run Heimdall after downloading and extracting the snapshots, but right after I start, I receive an 'Unable to get checkpoint buffer' error. What steps should I take to troubleshoot and fix this problem?

    • Polygon PoS
    0
    1
  • ITachi.
    ITachi113
    Apr 05, 2025
    Expert Q&A

    How to mint a token on Polygon Amoy after deploying a smart contract?

    I recently deployed a smart contract on Polygon Amoy, but I'm unsure about the process to mint a token on this network. Previously, I've succeeded in minting on Ethereum Sepolia. I am in the process of mapping tokens across both networks and have deployed contracts on both Sepolia and Amoy. However, I'm confused about the need for sender and receiver contracts. Can anyone provide step-by-step guidance on how to proceed after the token mapping is completed?

    • Smart Contract
    0
    2
  • Cattos.
    Cattos125
    Apr 04, 2025
    Discussion

    Polygon's Mapper site down, how do I submit mapping requests?

    I tried accessing https://mapper.polygon.technology/ to submit a request for token bridge creation, but the site is not working. Is it down for everyone? What should I do next to submit my request?

    • General
    0
    1
  • AFL.
    AFL153
    Apr 03, 2025
    Discussion

    Why my NFT transfer on Polygon isn't showing on block explorer?

    I'm trying to broadcast an NFT transfer transaction on the Polygon network using the endpoint https://polygon-rpc.com/ and getting gas price with web3.eth.getGasPrice(). However, sometimes the transaction won't appear on Polygonscan, even though I receive a transaction hash. It either takes hours to reflect or doesn't appear at all. How can I resolve this issue?

    • General
    0
    1
  • The Web3 Diva.
    The Web3 Diva107
    Apr 02, 2025
    Expert Q&A

    Can we access transaction logs for deprecated Polygon Mumbai?

    I'm trying to find a way to access the transaction logs for the Polygon Mumbai network, even though it's been deprecated. Is there any workaround or method to retrieve these logs?

    • Polygon PoS
    1
    2
    Best Answer
  • KillaVibe.
    KillaVibe107
    Apr 01, 2025
    Discussion

    Can we bridge between Mumbai and Amoy testnets?

    I've been working on a project and am a bit confused about the Mumbai and Amoy testnets. Are they the same thing? If not, is it possible to bridge between these two testnets?

    • General
    0
    1
    Best Answer
  • loth.broke.
    loth.broke110
    Mar 31, 2025
    Expert Q&A

    Using heimdallcli in a dockerized local network setup?

    I'm trying to use heimdallcli within my local dockerized network that I set up using matic-cli. My main goal is to send a proposal using this command: heimdallcli tx gov submit-proposal param-change {pathToProposalJSONFile} --validator-id {validatorID} --chain-id {chainID}. However, I'm encountering an error that states: 'Config File "heimdall-config" Not Found in "/var/lib/heimdall/config"'. The config directory doesn't seem to exist in the Docker environment, though I can see logs that suggest Heimdall is functioning. How can I resolve this and get the heimdallcli command working?

    • Polygon PoS
    5
    4
    Best Answer
  • jonamith.
    jonamith172
    Mar 30, 2025
    Expert Q&A

    Groth16 proof verification cost on Polygon vs Ethereum

    I've been trying to figure out the gas cost for verifying a Groth16 proof on the Polygon network. On Ethereum, it is around 250k gas. With my estimation using a gas price of 100 gwei, this would imply around 0.025 POL cost on Polygon. Can anyone confirm if this estimation or cost difference is accurate?

    • Polygon zkEVM
    2
    2
Polygon.
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Polygon is a decentralised Ethereum scaling platform that enables developers to build scalable user-friendly dApps with low transaction fees without ever sacrificing on security.

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