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Douglas Borthwick

Building wallet auth infrastructure. InsumerAPI: one call, 33 chains, boolean result, ECDSA-signed, no balances exposed. MCP + LangChain + ElizaOS integrations.

Location New York, NY Joined Joined on  Personal website https://insumermodel.com github website twitter website

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From AARP Cards to On-Chain Credentials: The Discount Economy Needs Wallet Auth
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From AARP Cards to On-Chain Credentials: The Discount Economy Needs Wallet Auth

#blockchain #ai #payments #webdev
1
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6 min read
Wallet Auth: Gate Any API on What a Wallet Holds
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Wallet Auth: Gate Any API on What a Wallet Holds

#blockchain #webdev #api #security
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5 min read
How to Build Access Control Without Passwords, Keys, or Secrets
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How to Build Access Control Without Passwords, Keys, or Secrets

#blockchain #security #webdev #ai
Comments
5 min read

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Why Agent Discovery Systems Check Identity First (and Why That's Wrong)
douglasborthwickcrypto profile

Why Agent Discovery Systems Check Identity First (and Why That's Wrong)

#ai #blockchain #security #webdev
1
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5 min read
Add Wallet Verification to a LangChain Agent in 5 Minutes
douglasborthwickcrypto profile

Add Wallet Verification to a LangChain Agent in 5 Minutes

#ai #blockchain #webdev #security
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3 min read
How to Verify an AI Agent's Wallet Before You Pay It
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How to Verify an AI Agent's Wallet Before You Pay It

#ai #blockchain #payments #security
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6 min read
How Two AI Agents Verify Each Other Before Sharing Data
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How Two AI Agents Verify Each Other Before Sharing Data

#ai #blockchain #api #webdev
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5 min read
Verify a Wallet Before Your AI Agent Transacts (Python Tutorial)
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Verify a Wallet Before Your AI Agent Transacts (Python Tutorial)

#ai #blockchain #tutorial #webdev
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5 min read
Gate Your API Endpoints on Token Holdings Using JWTs
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Gate Your API Endpoints on Token Holdings Using JWTs

#jwt #blockchain #tutorial #api
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4 min read
Can AI Agents Verify Blockchain Ownership? How MCP Servers Enable On-Chain Attestation
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Can AI Agents Verify Blockchain Ownership? How MCP Servers Enable On-Chain Attestation

#ai #mcp #blockchain #api
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5 min read
Visa and Stripe Are Building Agent Payments — Nobody Is Verifying the Wallets
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Visa and Stripe Are Building Agent Payments — Nobody Is Verifying the Wallets

#ai #blockchain #payments #webdev
2
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5 min read
How to Build a Token-Gated Discount System in 20 Lines of Code
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How to Build a Token-Gated Discount System in 20 Lines of Code

#webdev #blockchain #api #tutorial
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4 min read
Verify Token Holdings Across 33 Blockchains with One API Call
douglasborthwickcrypto profile

Verify Token Holdings Across 33 Blockchains with One API Call

#blockchain #api #web3 #python
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6 min read
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