# Portal_Kay

> #PayFi  #Stablecoin  #BTC
项目投研  |  Investment Research
行业洞察  |  Industry Insights

## Recent Posts

- [稳定币字母不够用了，这个 iUSD 是什么？怎么撸？](https://paragraph.com/@portalkay/iusd)
- [一起来精算 ：Pendle YT/LP 赚 Spark 积分年化收益有多少？](https://paragraph.com/@portalkay/pendle-yt-lp-spark)
- [一起来精算：Huma 第二季羽毛值多少钱？](https://paragraph.com/@portalkay/huma)
- [一路被质问：什么是 PayFi？还是叫 它 SCFi?](https://paragraph.com/@portalkay/payfi-scfi)
- [体验一下香港线下的 USDT 出金](https://paragraph.com/@portalkay/usdt)
- [跨境收款太难？稳定币支付产业链了解一下](https://paragraph.com/@portalkay/AKwbL20sW7ccgmUqd83e)
- [迪拜适合 Web3 数字游民吗？](https://paragraph.com/@portalkay/web3)
- [【Sign分析】最像 Web2 应用的 Sign 产品 - EthSign](https://paragraph.com/@portalkay/sign-web2-sign-ethsign)
- [【Sign 分析】一文看懂 Sign 现金流产品 - TokenTable](https://paragraph.com/@portalkay/sign-sign-tokentable)
- [聊聊稳定币 OTC：USDT 和法币兑换背后的那点事儿](https://paragraph.com/@portalkay/otc-usdt)
- [挖个坑！Sign 系列产品研究](https://paragraph.com/@portalkay/sign)
- [【科普】聊聊各家稳定币的实现机制](https://paragraph.com/@portalkay/HfNzVcwMBA24OhaVLrR1)
- [什么是 PayFi？Web3 的大规模应用就靠它了？](https://paragraph.com/@portalkay/payfi-web3)
- [炒币赚快钱 vs 区块链技术落地：或许它们本就无关？](https://paragraph.com/@portalkay/vs)
- [2025 年，BTC 生态会怎么发展？—— 我的一些猜想](https://paragraph.com/@portalkay/2025-btc)
- [符文铸造用户画像](https://paragraph.com/@portalkay/w5jinzHd7pNGdv4NdjVI)
- [【中文版】Fractal Bitcoin：一种递归区块链计算系统](https://paragraph.com/@portalkay/fractal-bitcoin)
- [BRC20 铭文转账想省 gas，免费加速实验失败！CPFP 和 矿池加速 逻辑分析](https://paragraph.com/@portalkay/brc20-gas-cpfp)
- [【烧脑科普】大名鼎鼎的 “闪电网络” 到底是啥？](https://paragraph.com/@portalkay/B3oHbzHa2SeUp4JKrczB)
- [想要参与 Babylon，我们还能做些什么？](https://paragraph.com/@portalkay/babylon)

## Blog Information

- [Homepage](https://paragraph.com/@portalkay/): Main blog page
- [RSS Feed](https://api.paragraph.com/blogs/rss/@portalkay): Subscribe to updates
- [Twitter](https://twitter.com/portal_kay): Follow on Twitter

## Optional

- [All Posts](https://paragraph.com/@portalkay/): Complete post archive
- [Sitemap](https://paragraph.com/@portalkay/sitemap-index.xml): XML sitemap for crawlers