# Technical Discussion **URL:** https://forum.viction.xyz/c/archive/technical-discussion/9.md [Latest](https://forum.viction.xyz/latest.md) · [Categories](https://forum.viction.xyz/categories.md) --- ## [About the Technical Discussion category](https://forum.viction.xyz/t/about-the-technical-discussion-category/18)
**Author:** [@kha\_nt](https://forum.viction.xyz/u/kha_nt)\ **Replies:** 0\ **Last updated:** [8 June 2020 09:19 UTC](https://forum.viction.xyz/t/about-the-technical-discussion-category/18 "2020-06-08T09:19:37Z")
Technical questions about developing on Viction and discussions around tooling and documentation. --- ## [VIC transfers emit a log](https://forum.viction.xyz/t/vic-transfers-emit-a-log/2977)
**Author:** [@imduchuyyy](https://forum.viction.xyz/u/imduchuyyy)\ **Replies:** 1\ **Last updated:** [27 June 2024 03:53 UTC](https://forum.viction.xyz/t/vic-transfers-emit-a-log/2977 "2024-06-27T03:53:02Z")
Abstraction Following EIP-7708, apply on Viction to allow external parties can easily track VIC transfers in internal transactions. Motivation Currently, Log are often used to track balance changes of assets on Viction.… --- ## [Coin98 web wallet enable Viction network](https://forum.viction.xyz/t/coin98-web-wallet-enable-viction-network/2765)
**Author:** [@GHTFeedback](https://forum.viction.xyz/u/GHTFeedback)\ **Replies:** 0\ **Last updated:** [28 November 2023 17:53 UTC](https://forum.viction.xyz/t/coin98-web-wallet-enable-viction-network/2765 "2023-11-28T17:53:20Z")
Hi Viction team, kindly provide a timeline when Coin98 web wallet will support Viction network. See image attached. Thanks --- ## ["Error: Returned error: replacement transaction underpriced"](https://forum.viction.xyz/t/error-returned-error-replacement-transaction-underpriced/2366)
**Author:** [@kibi01](https://forum.viction.xyz/u/kibi01)\ **Replies:** 4\ **Last updated:** [3 January 2023 04:05 UTC](https://forum.viction.xyz/t/error-returned-error-replacement-transaction-underpriced/2366 "2023-01-03T04:05:00Z")
I have my token TRC-21 with tomochain . i have with issue “Error: Returned error: replacement transaction underpriced” Somebody help me please! --- ## [Minting NFT on TOMO chain](https://forum.viction.xyz/t/minting-nft-on-tomo-chain/2414)
**Author:** [@ishan](https://forum.viction.xyz/u/ishan)\ **Replies:** 3\ **Last updated:** [1 August 2022 10:07 UTC](https://forum.viction.xyz/t/minting-nft-on-tomo-chain/2414 "2022-08-01T10:07:36Z")
Hi, We are from Medgrids - https://medgrids.com/ At Medgrids our aim is to build a world free of counterfeiting, guaranteed safe patient experience and a wealth of knowledge in terms of consumer behavioral insights. W… --- ## [Sending tomo to tomoe](https://forum.viction.xyz/t/sending-tomo-to-tomoe/2401)
**Author:** [@wcanarro](https://forum.viction.xyz/u/wcanarro)\ **Replies:** 1\ **Last updated:** [8 July 2022 07:43 UTC](https://forum.viction.xyz/t/sending-tomo-to-tomoe/2401 "2022-07-08T07:43:23Z")
Hi, it is the first time I use the tomo bridge and I wanted to send my tomo from tomo blockchain to ethereum blockchain. I followed the instruction the tomo are gone from the tomo wallet but never arrived to the ethereum… --- ## [How to create stable coin?](https://forum.viction.xyz/t/how-to-create-stable-coin/1634)
**Author:** [@Mr.raccoon](https://forum.viction.xyz/u/Mr.raccoon)\ **Replies:** 5\ **Last updated:** [17 April 2022 12:32 UTC](https://forum.viction.xyz/t/how-to-create-stable-coin/1634 "2022-04-17T12:32:27Z")
hello gutys anybody help me to start to create a stable coin? --- ## [Tomo Bridge not working](https://forum.viction.xyz/t/tomo-bridge-not-working/2181)
**Author:** [@Sezarshosh](https://forum.viction.xyz/u/Sezarshosh)\ **Replies:** 1\ **Last updated:** [28 January 2022 22:37 UTC](https://forum.viction.xyz/t/tomo-bridge-not-working/2181 "2022-01-28T22:37:26Z")
I tried to bridge tomo from tomochain to ERC20 the first batch worked perfectly and I recieved tomo but the second batch and third batch doesn’t seem to be working after more than 12 hours there is just an In TX hash i… --- ## [Verifying contracts on TomoScan](https://forum.viction.xyz/t/verifying-contracts-on-tomoscan/2071)
**Author:** [@gao.fi](https://forum.viction.xyz/u/gao.fi)\ **Replies:** 1\ **Last updated:** [13 December 2021 02:36 UTC](https://forum.viction.xyz/t/verifying-contracts-on-tomoscan/2071 "2021-12-13T02:36:01Z")
We would like to verify our contracts on TomoScan, but our compiler version isn’t currently supported. Can you help out by supporting the newer Solidity compilers? We would like to be as transparent with our contracts a… --- ## [Performing Token Swaps with LuaSwap?](https://forum.viction.xyz/t/performing-token-swaps-with-luaswap/2061)
**Author:** [@harrenhal](https://forum.viction.xyz/u/harrenhal)\ **Replies:** 0\ **Last updated:** [5 December 2021 13:47 UTC](https://forum.viction.xyz/t/performing-token-swaps-with-luaswap/2061 "2021-12-05T13:47:56Z")
Hi Guys, Am i able to perform token swaps by interacting directly with contracts via Luaswap Router? I have tried using the same code as I use with Uniswap but I constantly receive an error: Fail with error “TransferH… --- ## [Tomochain Question](https://forum.viction.xyz/t/tomochain-question/2006)
**Author:** [@Meta](https://forum.viction.xyz/u/Meta)\ **Replies:** 0\ **Last updated:** [14 November 2021 22:46 UTC](https://forum.viction.xyz/t/tomochain-question/2006 "2021-11-14T22:46:23Z")
Please how to revoke on Tomochain token？ --- ## [We want huobi and okex listed. community write a comment](https://forum.viction.xyz/t/we-want-huobi-and-okex-listed-community-write-a-comment/1953)
**Author:** [@alitural00](https://forum.viction.xyz/u/alitural00)\ **Replies:** 4\ **Last updated:** [28 October 2021 08:14 UTC](https://forum.viction.xyz/t/we-want-huobi-and-okex-listed-community-write-a-comment/1953 "2021-10-28T08:14:07Z")
hello, tomochain has not been listed on the exchange for a long time. We want tomochain huobi and okex to be listed. bigger exchanges want bigger deals. bsc network support ht network on tomochain --- ## [Gas fees are "almost" always asked to be payed in TOMO in TRC21?](https://forum.viction.xyz/t/gas-fees-are-almost-always-asked-to-be-payed-in-tomo-in-trc21/1945)
**Author:** [@Ogaden](https://forum.viction.xyz/u/Ogaden)\ **Replies:** 0\ **Last updated:** [19 October 2021 14:57 UTC](https://forum.viction.xyz/t/gas-fees-are-almost-always-asked-to-be-payed-in-tomo-in-trc21/1945 "2021-10-19T14:57:58Z")
I posted this question on community support, but didn’t get any response. I have TCR21 Token with TOMO balance inside for the tomoz transactions. Transfer of token work sometimes perfectly especially on TomoWallet for io… --- ## [How to reduce "slash time"?](https://forum.viction.xyz/t/how-to-reduce-slash-time/1743)
**Author:** [@Nono](https://forum.viction.xyz/u/Nono)\ **Replies:** 0\ **Last updated:** [20 July 2021 09:18 UTC](https://forum.viction.xyz/t/how-to-reduce-slash-time/1743 "2021-07-20T09:18:32Z")
Hi guys. When a masternode is slashed , it will be penalized (no rewards) for the next five epochs. Is it possible to reduce the number of slashes,for exemple to 2 ou 3 ? …Since at this point, it will be already synchr… --- ## [Tomo blockchain Developer (required)](https://forum.viction.xyz/t/tomo-blockchain-developer-required/1649)
**Author:** [@Mohammad\_Taghian](https://forum.viction.xyz/u/Mohammad_Taghian)\ **Replies:** 0\ **Last updated:** [20 June 2021 12:10 UTC](https://forum.viction.xyz/t/tomo-blockchain-developer-required/1649 "2021-06-20T12:10:24Z")
I need one expert blockchain Developer who has experience in forking tomo blockchain, we already had fork tomo blockchain, now we need expert one who had experience in forking tomoscan + tomomaster. --- ## [Fail to wrap USDT on TOMO bridge](https://forum.viction.xyz/t/fail-to-wrap-usdt-on-tomo-bridge/1585)
**Author:** [@huaying](https://forum.viction.xyz/u/huaying)\ **Replies:** 1\ **Last updated:** [22 May 2021 18:08 UTC](https://forum.viction.xyz/t/fail-to-wrap-usdt-on-tomo-bridge/1585 "2021-05-22T18:08:15Z")
Hi, I am new to TOMO bridge. I tried to wrap my USDT to TRC21 USDT with TOMO bridge. I sent 10 USDT to the address it provided but it was just stuck on step 2 VERIFY TRANSACTION. I check the address Address 0xed9e1f47cb8… --- ## [How to build TRC721 with TOMOCHAIN?](https://forum.viction.xyz/t/how-to-build-trc721-with-tomochain/1398)
**Author:** [@vietnet](https://forum.viction.xyz/u/vietnet)\ **Replies:** 5\ **Last updated:** [21 April 2021 09:19 UTC](https://forum.viction.xyz/t/how-to-build-trc721-with-tomochain/1398 "2021-04-21T09:19:58Z")
Do TomoChain support new non-fungible token or NFT standard, called TRC-721? If yes, how to create it? --- ## [Problems of scan.tomochain](https://forum.viction.xyz/t/problems-of-scan-tomochain/1493)
**Author:** [@vietnet](https://forum.viction.xyz/u/vietnet)\ **Replies:** 4\ **Last updated:** [20 April 2021 04:46 UTC](https://forum.viction.xyz/t/problems-of-scan-tomochain/1493 "2021-04-20T04:46:00Z")
We have many projects on tomochain, examples Token 0x8103bb77ed2035b5da9a3a65d9c313cb6ee41dbd Info (tomochain.com) We have lost holders many months ago, and support devs said that they need crawl again, and when craw… --- ## [Support Verify and Publish your Solidity Source Code](https://forum.viction.xyz/t/support-verify-and-publish-your-solidity-source-code/1385)
**Author:** [@vietnet](https://forum.viction.xyz/u/vietnet)\ **Replies:** 13\ **Last updated:** [27 March 2021 14:24 UTC](https://forum.viction.xyz/t/support-verify-and-publish-your-solidity-source-code/1385 "2021-03-27T14:24:04Z")
Dear Admin Vindax Exchange give me link for Verify and Publish your Solidity Source Code at here I fill the form with solidity source code but can not verify, contract name invalid 0x5080781e91237b6d7f026d5306b7233e2… --- ## [Tomo Bridge question (sent BEP-20)](https://forum.viction.xyz/t/tomo-bridge-question-sent-bep-20/1182)
**Author:** [@vuduchyld](https://forum.viction.xyz/u/vuduchyld)\ **Replies:** 4\ **Last updated:** [2 March 2021 08:12 UTC](https://forum.viction.xyz/t/tomo-bridge-question-sent-bep-20/1182 "2021-03-02T08:12:55Z")
Last week, I created a wallet and tried to use the Tomo Bridge. One of the options was “tokens on other chains” to TRC-21 tokens. I started the process and picked BNB from the list. I sent BNB to the address on the li… --- ## [Auto withdrawal after unstaking?](https://forum.viction.xyz/t/auto-withdrawal-after-unstaking/1021)
**Author:** [@Le\_Kang](https://forum.viction.xyz/u/Le_Kang)\ **Replies:** 1\ **Last updated:** [14 February 2021 20:04 UTC](https://forum.viction.xyz/t/auto-withdrawal-after-unstaking/1021 "2021-02-14T20:04:13Z")
Hi, Is it possible to combine unstaking and withdrawal into one action? Currently when user unstake and then wait for 48 hours and then have to manually withdraw the coins. Why not have the coins withdraw automaticall… --- ## [Pending pull requests](https://forum.viction.xyz/t/pending-pull-requests/940)
**Author:** [@GHTFeedback](https://forum.viction.xyz/u/GHTFeedback)\ **Replies:** 2\ **Last updated:** [25 January 2021 13:23 UTC](https://forum.viction.xyz/t/pending-pull-requests/940 "2021-01-25T13:23:12Z")
Hi, would the Tomo team kindly consider allocating resources to GitHub pull requests? There’s many token updates pending that we would like to see erc-20 Tomo wrapped coins updated within Tomo ecosystem (Tomobridge, tomo… --- ## [2-factor authentication or password for private keys](https://forum.viction.xyz/t/2-factor-authentication-or-password-for-private-keys/910)
**Author:** [@GHTFeedback](https://forum.viction.xyz/u/GHTFeedback)\ **Replies:** 2\ **Last updated:** [18 January 2021 05:19 UTC](https://forum.viction.xyz/t/2-factor-authentication-or-password-for-private-keys/910 "2021-01-18T05:19:43Z")
Hi, would the Tomo team kindly consider adding functionality for either 2-factor authentication or a password for private keys? Thanks, D --- ## [Problem Using MetaMask](https://forum.viction.xyz/t/problem-using-metamask/748)
**Author:** [@EmmenQC](https://forum.viction.xyz/u/EmmenQC)\ **Replies:** 2\ **Last updated:** [9 November 2020 09:19 UTC](https://forum.viction.xyz/t/problem-using-metamask/748 "2020-11-09T09:19:49Z")
Hi, I have been using MetaMask for more almost 2 years now for all Tomo-related transactions. Since the last update, I am getting this message from MetaMask when I select my Tomo Network: "Invalid Custom Network The c… --- ## [Problem adding Tomochain to Metamask](https://forum.viction.xyz/t/problem-adding-tomochain-to-metamask/719)
**Author:** [@Oren\_Shefer](https://forum.viction.xyz/u/Oren_Shefer)\ **Replies:** 0\ **Last updated:** [22 October 2020 09:36 UTC](https://forum.viction.xyz/t/problem-adding-tomochain-to-metamask/719 "2020-10-22T09:36:34Z")
Ever since the last Metamask upgrade I haven’t been able to add Tomochain to Metamask’s custom RPCs. Is anyone else having this problem? Is there a solution? --- ## [I used tomo bridge, and I didn't recieve my tomo until now](https://forum.viction.xyz/t/i-used-tomo-bridge-and-i-didnt-recieve-my-tomo-until-now/693)
**Author:** [@paraoh](https://forum.viction.xyz/u/paraoh)\ **Replies:** 1\ **Last updated:** [19 October 2020 02:17 UTC](https://forum.viction.xyz/t/i-used-tomo-bridge-and-i-didnt-recieve-my-tomo-until-now/693 "2020-10-19T02:17:50Z")
First of all, Im Korean. Sorry for my bad English. I used tomo bridge to change my TOMOE to TOMO. I wrote my Binance TOMO address in blank. But I didn’t recieve my TOMO yet. I checked my tx, and I can find ‘success’. … --- ## [Kyberswap / ERC20](https://forum.viction.xyz/t/kyberswap-erc20/545)
**Author:** [@KONG](https://forum.viction.xyz/u/KONG)\ **Replies:** 4\ **Last updated:** [19 September 2020 02:45 UTC](https://forum.viction.xyz/t/kyberswap-erc20/545 "2020-09-19T02:45:15Z")
Can we add other ERC20 to Tomowallet? \[ obviously ETH network \] I used kyberswap, but the erc20 dont display. Also, when I tried to use kyberswap to Transfer, there was an ERROR generating tx info. Thanks erc20 RSR con… --- ## [TOMO token stuck in Ledger wallet](https://forum.viction.xyz/t/tomo-token-stuck-in-ledger-wallet/578)
**Author:** [@layne](https://forum.viction.xyz/u/layne)\ **Replies:** 1\ **Last updated:** [14 September 2020 08:20 UTC](https://forum.viction.xyz/t/tomo-token-stuck-in-ledger-wallet/578 "2020-09-14T08:20:57Z")
I have TOMO tokens on my Ledger. I attempted to transfer them a while back and got an error. Back then I thought it was because my gas was set too low so I attempted numerous other times to fix it. Now I find out it w… --- ## [Question about Smart contracts and TomoDEX](https://forum.viction.xyz/t/question-about-smart-contracts-and-tomodex/542)
**Author:** [@Unitan](https://forum.viction.xyz/u/Unitan)\ **Replies:** 1\ **Last updated:** [24 August 2020 04:36 UTC](https://forum.viction.xyz/t/question-about-smart-contracts-and-tomodex/542 "2020-08-24T04:36:56Z")
Can smart contracts lend tokens on TomoDEX? If they can, does anybody have solidity code to interface with TomoDEX for this purpose? --- ## [TomoChain Status site](https://forum.viction.xyz/t/tomochain-status-site/373)
**Author:** [@thanhson1085](https://forum.viction.xyz/u/thanhson1085)\ **Replies:** 2\ **Last updated:** [27 July 2020 07:55 UTC](https://forum.viction.xyz/t/tomochain-status-site/373 "2020-07-27T07:55:31Z")
TomoChain team builds and run many products (Public RPC, TomoScan, TomoMaster …). We have the bot to monitor it automatically. Issue: TomoChain products have downtime with many reasons (bugs, server issues, third-party… [Next page](https://forum.viction.xyz/c/archive/technical-discussion/9.md?page=1)