SALP integrates Zenlink Slot Vault to support Kusama Crowdloan | Weekly Report 69


The SALP function is gradually being launched. It was upgraded through Runtime v0.9.0 in the referendum on 9/13, and SALP’s vsKSM & vsBond casting function was turned on. At the same time, Zenlink Slot Vault has also successfully connected to SALP, and the Zenlink Slot Vault uses SALP for slot bidding. Participating in Basilisk (closed), Calamari (closed) Altair and Kintsugi, not only can get slot auction rewards and corresponding derivatives vsKSM, vsBond, but also ZLK as an additional incentive. Acquired So far, more than 7,600 KSM have participated in the slot auction through SALP. With the improvement of SALP’s farming and trading functions, more assets will be derived through SALP.


Bifrost Node & Runtime

  • Runtime released and upgraded v0.8.5 & v0.9.0 version

  • Securities Confirmation Service Compilation & Deployment

  • Liquidity mining code review

  • Deploy a Staging pre-production environment

  • Synchronize and improve documents

  • Salp rpc interface improvement of contribution status

  • Review the restructuring of flexible fees

  • Modify the salp process, including fund editing and batch refunds

  • Modify the ci&image process (#304) * The dependency of Zenlink has been forked.

  • Fix problems found during testing/code review

  • Synchronize with snowfork team and integrate with snowbridge

  • Support kUSD, BNC and Karura cross-chain asset interoperability

  • Fixed Kusama relay chain’s big gap between Finalized and Best blocks causing problems

  • Stress test salp-confirm-service signature competition & duplicate signature issues

Optimize the network bandwidth of each Bifrost node

Bifrost Dapp & Dashboard

  • Dapp & Dashboard add vesting_start_at logic

  • Add unlock vested amount

  • Settlement pop-up style optimization

  • Optimisation of browser-side storage of transaction records

  • Optimized link style

  • Language pack independence

  • Toast, Modal, Popover components optimization

  • Dashborad type debugging & upgrade

  • SALP API Service interfacing

  • SALP test case fixes

  • Farming module UI update & API interfacing & Type support

  • Bifrost.js update to v0.9.0

  • Polkadot dependency update

  • PolkaWallet support for KSM cross-chain transfers

  • vsbond-auction pending order, withdrawal test


  • On September 13, the article SALP: Derivatives Opens a New Era of Parachain Auctions was published. The article deeply analyzed the operating principles and mechanisms of SALP, and at the same time analyzed vsKSM and vsBond based on SALP Crowdloan. Currently, SALP is online and is supporting the Kusama parachain auction of Altair and Kintsugi. Voting channel:

  • On September 16, the Bifrost slot liquidity agreement SALP was officially launched. On the day of the launch, it simultaneously supported Basilisk, Altair and Kintsugi slot auctions. Users who vote and stake for the above four projects through SALP will correspond to the casting derivatives vsKSM and vsBond, unlocking the liquidity of the staking.

  • On 17 September, Bifrost and Kintsugi (Interlay) announced a partnership to use SALP to facilitate Kintsugi’s second round of Kusama slot bidding, with Kintsugi (Interlay) registering Bifrost SALP to unlock slot bidding liquidity.

  • On 17 September, the Bifrost SALP protocol was integrated with the Zenlink SlotVault Dapp to provide users with the option to unlock liquidity in their crowdsourced stakes. Users can vote for Altair and Kintsugi crowdsourced loans through the ‘Advanced mode’ option in Zenlink SlotVault. This mode, integrated with SALP, casts vsKSM and vsBond derivatives (1 KSM = 1 vsKSM + 1 vsBond) to unlock staked liquidity while voting.

What is Bifrost?

Bifrost is the Polkadot Ecological DeFi basic protocol. It is committed to becoming an infrastructure for pledged assets to provide liquidity. Bifrost launched derivatives vToken for Staking and Polkadot Parachain Slot (Crowdloan). It has obtained $2.15M in fund-raising from NGC, SNZ, DFG, CMS and other institutions and Web3 Foundation Grant. It is also a member of Substrate Builder’s Program and Web3.0 Bootcamp.

vToken can optimize transactions in multiple scenarios such as DeFi, DApp, DEX, CEX, and realize the transfer channel of pledge rights such as staking and crowdloan through vToken, realize the risk hedging of pledge assets, and expand scenarios such as vToken as collateral for lending, its staking reward part of the interest can be offset to achieve low-interest loans.

Learn more about Bifrost

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Bifrost is the Polkadot Ecological DeFi basic protocol. It is committed to becoming an infrastructure for pledged assets to provide liquidity. It has launched a derivative vToken for Staking and Polkadot Parachain... Learn More