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[@DFINITYDev](/creator/twitter/DFINITYDev)
"Are you aware of the papi (Paid API) library💡 It adds a payment gateway to your canister API to protect it from unauthorized access🔐 Supported tokens: $ICP $XDR (Cycles) $ckBTC $ckETH & $ckUSDC Check it out👇"  
[X Link](https://x.com/DFINITYDev/status/1967587216831521056) [@DFINITYDev](/creator/x/DFINITYDev) 2025-09-15T13:52Z 31.9K followers, 4163 engagements


"Bitcoin DeFi is the next evolution of Bitcoin. 🚀 If you want to build the next @LiquidiumWTF @Odin_GodOfRunes or @OmnityNetwork check out Weve collected developer resources case studies and guides on: - Building Bitcoin apps on ICP - Smart contracts in Rust & Motoko - ckBTC & threshold signatures - Sign-in with Bitcoin Start building today. 🔗"  
[X Link](https://x.com/DFINITYDev/status/1975238648741114123) [@DFINITYDev](/creator/x/DFINITYDev) 2025-10-06T16:36Z 31.9K followers, 9099 engagements


"Check out @caffeineai ☕ Build and deploy apps on the Internet Computer by just talking to an AI.🧑💻"  
[X Link](https://x.com/DFINITYDev/status/1978407279922655739) [@DFINITYDev](/creator/x/DFINITYDev) 2025-10-15T10:27Z 31.9K followers, 3118 engagements


"🔐 Offline Key Derivation for ICP (ECDSA & Schnorr) Developers can derive canister public keys entirely offline without calling the management canister. Weve released a new Rust library and a TypeScript library many developers havent discovered yet both supporting ECDSA and Schnorr key derivation. 📘 Why this matters ICPs key derivation is deterministic and public given the master public key canister ID and derivation path anyone can compute the same canister public key locally. No secrets. No blockchain calls. Just pure math. 💡 What this enables Verify canister public keys offline Derive"  
[X Link](https://x.com/DFINITYDev/status/1978758313123754133) [@DFINITYDev](/creator/x/DFINITYDev) 2025-10-16T09:42Z 31.9K followers, 1854 engagements


"ckBTC is a token that represents Bitcoin on the Internet Computer backed 1:1 by real BTC. It moves in seconds costs almost nothing to transfer and can be held or used directly by smart contracts. For developers ckBTC makes Bitcoin programmable: build DEXs lending markets DAOs or payment apps that run entirely onchain powered by Bitcoin liquidity. Learn more 👉"  
[X Link](https://x.com/DFINITYDev/status/1976271956304417240) [@DFINITYDev](/creator/x/DFINITYDev) 2025-10-09T13:02Z 31.9K followers, 13.5K engagements


"ICP Ninja now includes community showcases🤩 Check out the URL Shortener by @Gekctek which uses the Liminal an HTTP Framework written in Motoko 👀 👉 Showcase: 🔗 Liminal:"  
[X Link](https://x.com/DFINITYDev/status/1976178589738430530) [@DFINITYDev](/creator/x/DFINITYDev) 2025-10-09T06:51Z 31.9K followers, 4024 engagements


"Developing Bitcoin DeFi on ICP starts local. With dfx the Internet Computer SDK you can deploy and test smart contracts on a local ICP replica. Run Bitcoin regtest alongside it to mine blocks instantly generate addresses and simulate transactions. Together they give you a full Bitcoin + ICP dev stack on your laptop. Check for Rust & Motoko examples of address generation signing and transaction flows. 🔗"  
[X Link](https://x.com/DFINITYDev/status/1979217388450071011) [@DFINITYDev](/creator/x/DFINITYDev) 2025-10-17T16:06Z 31.9K followers, 1875 engagements