The community of decentralized financial protocol Sky (formerly Maker) voted last week to stop the plan to adopt Wrapped Bitcoin (WBTC) in its ecosystem. However, BA Labs, an influential DeFi risk management company in Sky protocol governance, has stated that its concerns about Tron founder Sun Yuchen's involvement in WBTC custody business have been fully resolved, and they recommend suspending the plan.

According to previous reports from Zombie, cryptocurrency custodian BitGo announced last month that it would transfer its WBTC business to a multi jurisdictional joint venture with Hong Kong based custodian BiT Global, forming a strategic partnership between BitGo, Tron's blockchain ecosystem, and Sun Yuchen. This move has raised concerns among some cryptocurrency market participants, who believe it may pose challenges to the DeFi ecosystem. Subsequently, Sky completed the governance vote and officially approved the removal of all WBTC exposed positions from the collateral assets.

But even after the voting ended, discussions about this matter continued. BitGo CEO Mike Belshe further explained at a governance forum in recent days that WBTC's new custody arrangement has been misunderstood, and Sun Yuchen cannot unilaterally make changes to the structure. Belshe wrote last week:

They will not have the ability to directly change key management practices in BitGo or BitGo Singapore, which are responsible for supervising and controlling the multi signature keys of the new custodian

Subsequently, BA Labs stated on Tuesday that "additional details and clarifications have given us greater confidence in the current state of WBTC operations and key management. The consultant pointed out that the collateral exposure related to WBTC has "decreased to the current level of approximately $170 million in total borrowings", and the risk has been reduced to a "more acceptable range". The loan value previously secured by WBTC was approximately $200 million.

Although we still have doubts about BiT Global as a signatory of WBTC, we have found that it is no longer at a point where immediate removal of collateral is required, "BA Labs wrote." Therefore, we recommend indefinitely suspending the collateral removal process

Sun Yuchen responded to some doubts about his involvement in the project, stating to foreign media CoinDesk that WBTC has an "excellent performance record that cannot be compared to any competing product recently proposed by skeptics".

The controversy surrounding WBTC has made competitors offering alternatives more active, including dlcBTC, Threshold's tBTC, and FBTC supported by the two-layer network Mantle. On September 12th, the US cryptocurrency exchange Coinbase announced the launch of its own packaged Bitcoin cbBTC.

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(责任编辑：商业)