Bitbro is a blockchain-driven referral system for the financial community, which provides secure, reliable, and immutable ledgers for all stakeholders. It is developed via Hyperledger fabric and IPFS to facilitate more efficient and orderly human interaction and fortify trust among the participants. It could be the industrial revolution for Investment banking. As the best financial hub in the East, Hong Kong naturally attracts the best investors and dealmakers. The lack of trust became the chink in the armor in the deal-making process. Mutual trust is crucial yet fragile within the chain of communication between the project owner and investors. The frustration of identifying the right investors and raise quality funding for good companies is more common than people perceive. Bitbro will overcome challenges faced by traditional contracts, such as integrity, legitimacy, and confidentiality. By uploading the recommendation records, contracts, and enterprise information to the blockchain, Bitbro provides a reliable and traceable environment for all stakeholders. Thus, we equalize the bargaining power between different parties. Moreover, Bitbro also addresses common pain points in the investing world by providing a confidential and easy-to-use platform for middlemen to seek potential projects and pull the string with suitable investors. All the data uploaded to Bitbro is secure in the blockchain. Thus, it is immutable, safe, and traceable, including commission rate, terms, and agreements. Therefore, Bitbro eliminates future disputes between different parties and forges the trustless trust.