# Knowledge Base **URL:** https://forum.sun.io/c/knowledge-base/7.md [Latest](https://forum.sun.io/latest.md) · [Categories](https://forum.sun.io/categories.md) · [Tags](https://forum.sun.io/tags.md) --- ## [关于“Knowledge Base”类别](https://forum.sun.io/t/topic/11)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 21, 2024, 4:05am UTC](https://forum.sun.io/t/topic/11 "2024-05-21T04:05:34Z")
Discuss on all aspects of Sun-related knowledge here, including but not limited to user guides, tutorials, mechanisms, p… --- ## [Sunpump发射的meme币如何理解他的机制？](https://forum.sun.io/t/sunpump-meme/749)
**Author:** [@Hong](https://forum.sun.io/u/Hong)\ **Replies:** 1\ **Last updated:** [September 10, 2025, 3:12am UTC](https://forum.sun.io/t/sunpump-meme/749 "2025-09-10T03:12:02Z")
Sunpump发射的meme币如何理解他的机制？有哪里可以查看的吗？ --- ## [How to withdraw USDDOLD-TRX (S-USDDOLD-TRX) ?!](https://forum.sun.io/t/how-to-withdraw-usddold-trx-s-usddold-trx/674)
**Author:** [@alex02](https://forum.sun.io/u/alex02)\ **Replies:** 2\ **Last updated:** [August 22, 2025, 6:30am UTC](https://forum.sun.io/t/how-to-withdraw-usddold-trx-s-usddold-trx/674 "2025-08-22T06:30:52Z")
Hey together! As the title mentioned: Is it still possible to get my TRX from this pool (USDDOLD-TRX (S-USDDOLD-TRX)) back?! I didn´t found any active pools to change this pair. So I´d send the token pair to my walle… --- ## [How to remove liquidity?](https://forum.sun.io/t/how-to-remove-liquidity/35)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 2\ **Last updated:** [August 8, 2025, 6:43am UTC](https://forum.sun.io/t/how-to-remove-liquidity/35 "2025-08-08T06:43:08Z")
You can refer to How to remove liquidity? --- ## [“Transaction Revert” withdrawing issue](https://forum.sun.io/t/transaction-revert-withdrawing-issue/616)
**Author:** [@iShop](https://forum.sun.io/u/iShop)\ **Replies:** 1\ **Last updated:** [July 9, 2025, 3:46am UTC](https://forum.sun.io/t/transaction-revert-withdrawing-issue/616 "2025-07-09T03:46:27Z")
“Transaction Revert” withdrawing issue caused by “SafeTRC20: low-level call failed” --- ## [How to record a new token?](https://forum.sun.io/t/how-to-record-a-new-token/48)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 4\ **Last updated:** [June 17, 2025, 2:47am UTC](https://forum.sun.io/t/how-to-record-a-new-token/48 "2025-06-17T02:47:27Z")
First, you need to record the information of the new token on Tronscan. Once Tronscan approves your application, you can… --- ## [How to exchange tokens?](https://forum.sun.io/t/how-to-exchange-tokens/34)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 3\ **Last updated:** [March 19, 2025, 9:10am UTC](https://forum.sun.io/t/how-to-exchange-tokens/34 "2025-03-19T09:10:46Z")
You can refer to How to exchange tokens? --- ## [It’s Always SUN-ny on Tron](https://forum.sun.io/t/it-s-always-sun-ny-on-tron/123)
**Author:** [@sherlock](https://forum.sun.io/u/sherlock)\ **Replies:** 1\ **Last updated:** [July 19, 2024, 9:04am UTC](https://forum.sun.io/t/it-s-always-sun-ny-on-tron/123 "2024-07-19T09:04:52Z")
It’s Always SUN-ny on Tron DeFi is growing on the Tron network. Several independent applications are developing decentralized financial solutions on the network and introducing enthusiasts to self-custody alternatives to… --- ## [What should I do if the mining pool I participated in has closed？(Century Mining FAQ)](https://forum.sun.io/t/topic/116)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 8:12am UTC](https://forum.sun.io/t/topic/116 "2024-05-23T08:12:20Z")
When the liquidity mining pool you participated in has closed, you can migrate your asset to a new liquidity pool of the… --- ## [Why does my "Mining Rewards" show "0"?(Century Mining FAQ)](https://forum.sun.io/t/topic/115)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 8:11am UTC](https://forum.sun.io/t/topic/115 "2024-05-23T08:11:55Z")
There are several reasons: The amount of mining rewards you earned is too small. Our asset field displays three digit… --- ## [How to view my supply and rewards?(Century Mining FAQ)](https://forum.sun.io/t/topic/114)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 8:11am UTC](https://forum.sun.io/t/topic/114 "2024-05-23T08:11:32Z")
View supply To view your supply, simply find “Liquidity Mining” or “JustLend Supply Mining” on the homepage and go to “… --- ## [What are the rules for TRON Century Mining?(Century Mining FAQ)](https://forum.sun.io/t/topic/113)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 8:11am UTC](https://forum.sun.io/t/topic/113 "2024-05-23T08:11:06Z")
Timeline TRON Century Mining: March 8, 2021 21:00 - June 7, 2021 20:59 (SGT) First mining round: Mar 8 2021, 21:00 - A… --- ## [How to participate in mining?(Century Mining FAQ)](https://forum.sun.io/t/topic/112)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 8:10am UTC](https://forum.sun.io/t/topic/112 "2024-05-23T08:10:43Z")
Each mining pool follows its own schedule for start, ending and mining speed. You can view mining pool details via the … --- ## [What is jToken?(Century Mining FAQ)](https://forum.sun.io/t/topic/111)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 8:10am UTC](https://forum.sun.io/t/topic/111 "2024-05-23T08:10:07Z")
jToken refers to the “receipt” users get for supplying underlying assets when mining on JustLend, such as the jTRX, jUSD… --- ## [How to continue mining in one click after a liquidity mining pool has closed?(Century Mining)](https://forum.sun.io/t/topic/110)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 8:09am UTC](https://forum.sun.io/t/topic/110 "2024-05-23T08:09:33Z")
The platform allows users to extend mining from one liquidity pool to another of the same token when the previous one ha… --- ## [How to view/claim liquidity mining rewards?(Century Mining)](https://forum.sun.io/t/topic/109)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 8:09am UTC](https://forum.sun.io/t/topic/109 "2024-05-23T08:09:04Z")
You will earn mining rewards from each pool you have taken part in. You can check out your “Mining Rewards” by clicking … --- ## [How to view/claim my JustLend supply mining rewards?(Century Mining)](https://forum.sun.io/t/topic/108)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 8:08am UTC](https://forum.sun.io/t/topic/108 "2024-05-23T08:08:35Z")
Rewards of JustLend mining pools consist of two parts: Mining Rewards You will earn mining rewards from each liquidity… --- ## [How to participate in JustLend supply mining?(Century Mining)](https://forum.sun.io/t/topic/107)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 8:08am UTC](https://forum.sun.io/t/topic/107 "2024-05-23T08:08:02Z")
To participate in the mining, simply transfer TRX or other tokens (go to Justswap to acquire) supported by the mining po… --- ## [How to exit liquidity mining?(Century Mining)](https://forum.sun.io/t/topic/106)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 8:07am UTC](https://forum.sun.io/t/topic/106 "2024-05-23T08:07:32Z")
You can unstake your assets anytime from any pool you have participated in. However, while you are allowed to unstake an… --- ## [How to participate in liquidity mining?(Century Mining)](https://forum.sun.io/t/topic/105)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 8:06am UTC](https://forum.sun.io/t/topic/105 "2024-05-23T08:06:33Z")
You need TRX or other tokens (go to Justswap to acquire) supported by the mining pool to participate in the mining. In t… --- ## [What is a mining pool?（Century Mining）](https://forum.sun.io/t/topic/104)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 8:05am UTC](https://forum.sun.io/t/topic/104 "2024-05-23T08:05:59Z")
The distribution of SUN is completely decentralized via mining based on the smart contract. The only way to mine SUN is … --- ## [How to exit JustLend supply mining?(Century Mining)](https://forum.sun.io/t/topic/103)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 8:05am UTC](https://forum.sun.io/t/topic/103 "2024-05-23T08:05:05Z")
You can withdraw your supply and rewards anytime from any pool you took part in (your principal is included in supply an… --- ## [How to gain SUN staking rewards?(Genesis Mining(V1))](https://forum.sun.io/t/topic/102)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 4:19am UTC](https://forum.sun.io/t/topic/102 "2024-05-23T04:19:37Z")
You will earn transaction fees generated in the Old 3Pool stablecoin pool from the SUN you vested, staked, and locked in… --- ## [How to exit SUN staking?(Genesis Mining(V1))](https://forum.sun.io/t/topic/101)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 4:19am UTC](https://forum.sun.io/t/topic/101 "2024-05-23T04:19:12Z")
In the SUN staking pool, you can view the amount of all SUN tokens vested, staked, and locked. By clicking on the “Withd… --- ## [How to lock SUN?(Genesis Mining(V1))](https://forum.sun.io/t/topic/100)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 4:18am UTC](https://forum.sun.io/t/topic/100 "2024-05-23T04:18:50Z")
If you choose to “Lock SUN”, your SUN will be locked for two months, during which you can earn trading fees in TUSD and … --- ## [How to stake SUN？(Genesis Mining(V1))](https://forum.sun.io/t/topic/99)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 4:17am UTC](https://forum.sun.io/t/topic/99 "2024-05-23T04:17:51Z")
If you choose to “Stake SUN”, your SUN can be withdrawn anytime without a locking period, but you can only earn trading … --- ## [How to earn liquidity mining rewards(Old 3pool)?(Genesis Mining(V1))](https://forum.sun.io/t/topic/98)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 4:17am UTC](https://forum.sun.io/t/topic/98 "2024-05-23T04:17:26Z")
Click on “Stake” on the top of the navigation bar and select “Genesis Mining (V1)” on the page. When the LP staking po… --- ## [How to exit liquidity mining(Old 3pool)?(Genesis Mining(V1))](https://forum.sun.io/t/topic/97)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 4:17am UTC](https://forum.sun.io/t/topic/97 "2024-05-23T04:17:04Z")
Click on “Stake” on the top of the navigation bar and select “Genesis Mining (V1)” on the page. Choose the liquidity m… --- ## [How to participate in liquidity mining(Old 3pool)?(Genesis Mining(V1))](https://forum.sun.io/t/topic/96)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 4:16am UTC](https://forum.sun.io/t/topic/96 "2024-05-23T04:16:39Z")
Click on “Stake” on the top of the navigation bar and select “Genesis Mining (V1)” on the page. Choose the liquidity m… --- ## [How to gain SUN staking rewards?( Governance Mining (V2) Phase 1)](https://forum.sun.io/t/topic/95)
**Author:** [@sunio](https://forum.sun.io/u/sunio)\ **Replies:** 0\ **Last updated:** [May 23, 2024, 4:15am UTC](https://forum.sun.io/t/topic/95 "2024-05-23T04:15:39Z")
You will earn transaction fees generated in the Old 3Pool stablecoin pool from the SUN you vested, staked, and locked in… [Next page](https://forum.sun.io/c/knowledge-base/7.md?page=1)