江祐宏 Alex
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    # DeFi 實體應用場景 * https://defillama.com/protocols/RWA * https://www.notion.so/RWA-89a15a3506af4e14b4df1a48bbe96052 ## NFT Membership 自由進出 web3 宇宙的數位身分證 (綁 KYC?) * 背景 * Teahouse: 擁有 NFT 才能投資理財產品 * Trader DAO: 進入投資交流社群的憑證 * Learn3: Web3 版 Hahow 平台 * [文章一:Are NFTs the Future of Subscriptions](https://creatoreconomy.so/p/are-nft-memberships-the-future-of-subscriptions) * Why NFTs are better than Traditional Subscriptions? * 不受限於單一中心化平台,可以任何地方與會員共創體驗 * 會員資格/福利/功能,可以很有彈性的設置 * 早期會員有機會得到好處 (時間維度) * Drawbacks of NFT Memberships & Solution * 黃牛票/炒作問題:一個人先買很多哄抬價格 * KYC、為粉絲提供白名單 * 出名後定價過高,粉絲買不起 * free mint & upgrate * 為新粉絲提供新的 NFT * NFT = 詐騙? * 明確傳達價值主張 * [文章二:Using NFTs for Memberships: The Future of Business](https://www.socialmediaexaminer.com/using-nfts-for-memberships-the-future-of-business/) * How Ownership of a Membership Works? * 傳統的會員模式:沒有真正擁有會員,而是為資格付費 * NFT 的會員模式: * 停止付款,會員依舊存在,只是可能無法擁有福利 * 可以出售/轉移原本的會員資格 * Unlock Protocol: Unlock Ownership of Your Membership * 項目簡介 * 基於 NFT 的會員模型構建到現有工具中 (如:WordPress) * 不需寫程式,客製化會員擁有的功能 * WordPress 使用案例 * 部分網站內容需擁有足夠等級的 NFT 才能解鎖 * 若設定為定期付款,會檢查該 NFT 是否還具權限 * 可以決定是否允許人們從會員資格中轉移時間 * Unlock Protocol 商業用例 * Bakery.fyi 網站發佈的部分有價值內容,需要有 NFT 才能解鎖觀看 * ZED Run 的 NFT 會員才能參與他們的虛擬賽馬遊戲 * 歐洲的以太坊會議 ECC 使用 NFT 作為線下門票及線上 Discord/Telegram 群組權限 * Tale of Ronin 遊戲網站以 NFT 作為使用權限,並可購買更多裝備進化會員資格 * LIT AF 是一個 Podcast,擁有 NFT 可以解鎖付費集數 * Certified Digital Asset Advisor (CDAA) 證照 * 使用 NFT 作為 CDAA 金融分析師的認證 * 通過考核才能獲得該 NFT,無法購買 * 具有效期限 * https://pear-seed-2cc.notion.site/Unlock-Protocol-Web2-Web3-protocol-c51256e385404cad9a62d9d886e823a0 ### 相關筆記區 * NFT 的特異點 * 可追蹤 * 交換市場 * 項目方可以抽 Tx fee * 合約可以先寫好 Burn 的條件 * 持有者容易依等級分潤 * 容易使用時間維度來分級或做其他事 * 可能的問題 * NFT Membership 會與中心化平台訂閱制 (如:youtube) 的商業價值互相抵觸,為何平台要引用 NFT 而不是使用現有服務 * 對於商家來說,會員移轉是有好處的嗎?商家的目標應該聚焦在會員數量不斷增加? * 金融化的缺點:需要顧價格問題、防止金融化的攻擊、做市 * 功能 * Discord/Telegram 群組進入權限 * 解鎖網站的會員瀏覽 * 好像滿適合做直銷的形式 * 相關項目 * https://litprotocol.com/ * https://github.com/BrightID/BrightID-Soulbound-NFT * https://unlock-protocol.com/ ### NFT + Defi 賽道討論 #### NFT 預言機 (NFT fi、Zumer protocol,可能可以討論預言機機制) 先講預言機很難做出來的共識(?) * 為什麼要有預言機? * 目的:跟 DeFi 結合,抵押借款,**增加資金利用率** * 問題:報價的準確性,買賣時可能交易不到預期價格 * 觀點:**先有流動性,才有預言機的必要** * 為什麼 NFT 的流動性很低? * 轉手週期長 * 數量稀少 * 參與者少 * 交易量低 > 我覺得 NFT 如果是收藏品的特質,本質上就沒有辦法像股票一樣擁有高流動性;把它想成一幅名畫,為何我們要一直把我們的收藏品 (名畫) 在市場上販售呢?基於這一點,我也覺得 NFT 碎片化不太可行,投機以外似乎沒有碎片的收藏意義了 * 如何定價? * 數據分析、機器學習 => 我會覺得如果用於抵押、保證金借貸,預言機 (金融商品定價) 是不允許誤差的,本質上來說模型的定價只能當作參考用 * 藍籌項目才能定價? => 有可能要依照風險分級,NFT 是可以左手賣給右手的,每種 NFT 能擔保比例勢必不同 * 結論:不可行,除非具有流動性或公認的價值 #### NFT 超額抵押借款 * 目的:創造二級市場,使 NFT 的資金使用效率更高 * 前置準備: 1. 有較多「可定價」的 NFT 存在(預期一兩年內大爆發) * 低風險:有實體經濟支持,如:房地產 NFT * 高風險:藍籌 NFT 或藝術品,需有人承擔風險 2. 為該 NFT 做資產評價 => 多少錢 3. 為該 NFT 做風險評價 => 擔保比例 * 可能的模式 * 作為平台創造流動池,吸引借貸雙方媒合 * 擁有資金池,為借方提供資金 ## Lofty AI (收房租) * 模式 * 目的:販賣**收租房** * 購買代幣代表對該房屋的所有權份額 * 最低 50U 投資房地產,收取房租 * 代幣會隨著房產升值而升值 * 所有擁有者組成 DAO,共同決策 (user 成為 LLC 股東) * 所有房地產都有一位第三方物業經理代為管理 * 收益來源 * 對每件房地產收取 5% 或 5000U 的掛牌費 (取高者) * 向賣家收取 3% 或 2500U 的費用 (取高者) * 優點 * 交易透明,代幣的買賣紀錄建立在區塊鏈上 * 容易投資房地產,並快速轉手 * 容易把價格賣高 (買家對價格相對不敏感) * 缺點 * 募集資金的法律規範 * IRR 可能可以作假? 全額購買,如果公司貸款 (形同開槓桿) * 保證回購,Lofty AI 需要儲備資產,不然會有擠兌問題 * 房子賣不掉 (決策者分散),造成價值折價 (因為沒有流動性) * 延伸 * 管理方式的想像 * 平台方代為管理,並抽成租金;頭期款讓分散式投資人支付 * 某參與者代為管理,管理不好社群可以表決撤換、資金受智能合約鎖定 (避免管理人跑路) * 平台方指定第三方代為管理,如同 ubereat 的經營模式 (未來出現各種服務業;支付訂金及訓練即可就業) * 還有什麼實體資產也適合進行代幣化交易 * 公司債? 已具有流動性,不需要 * 會產生現金流的東西? * 監管問題、房屋所有權 * 相似項目 * [CityDAO ](https://www.citydao.io/) * [RealT](https://realt.co/) ### 參考資料 * https://www.lofty.ai/ * https://www.nbcnews.com/tech/crypto/crypto-real-estate-investment-landlords-rcna20029 * https://old.reddit.com/r/algorand/comments/oy2xlx/updatei_emailed_lofty_over_my_concerns_and_they/ ## NAOS Finance (實體借貸) ## 其他有趣的項目或議題 * IdentityBlockchain * 利用國家認證的電子身份 (eID) 來建立區塊鏈身份和身份證明 (PoI) 的共識協議 * 也就是加密地址的 KYC * https://gitcoin.co/grants/6685/identityblockchain * MakerDAO 將提供實體銀行 1 億 DAI 的借款 * https://abmedia.io/20220719-makerdao-extend-into-the-traditional-finance-space * reality.eth * https://gitcoin.co/grants/2261/realityeth * https://www.notion.so/Zumer-Protocol-1ed475f484d94e448d51a952ede7a12a

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