The Insumer Model™
Douglas C Borthwick, The Insumer Model™Condition-based access for blockchain wallets across 38 chains. Read wallet state, evaluate the condition, get a signed answer.
| Platform |  | Pricing | Only free issues | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 104 | Founded | a year ago | Last Issue | 2 days ago |
| Active | |||||
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insumermodel.substack.comLatest Issues
The Inevitable: ICE, Kraken, and Robinhood Put Stocks On-Chain. The Shares Still Won't Open a Door.
By the first week of September 2026, three of the largest names in market infrastructure had committed to putting public equity on-chain. Robinhood led by holder count, reaching 862,800 in just over two months since launch, its stock tokens...
Agents Have Wallets Now. Who Checks the Other Side?
Agents have wallets now. They pay for data, inference, and tools over x402 by the million, and they show up at gates asking to be let in. In both directions the same thing is missing: a verifiable answer about who is on the other side. This...
What a Wallet Can Prove: Every Condition Type, With Why It Exists
The primitive has not changed: read wallet state, evaluate conditions, return a signed boolean. What has changed is the range of conditions, the two output formats, the proofs you can attach, and, since the first of September, a second sign...
The State of Wallet Auth in 2026: What a Wallet Can Prove Now
A year ago the question this company answered was small and specific: does this wallet hold that token. It was a good question. It let a coffee shop give a discount to a community, and it let a website open a page to the right people. But i...
The Inevitable: Coinbase Puts Stocks On-Chain. The Shares Stop at Checkout.
Coinbase launched tokenized stocks on Base in August 2026. These are not derivatives tracking a stock price. Each token is issued against a real share held in segregated, bankruptcy-remote custody, which makes the holder a beneficial owner...
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Authors
The writers behind this newsletter.
Blockchain and Crypto pioneer. Interest in security tokens and tokenization.
How blockchain ownership is unlocking real-world discounts for token holders and new customers for businesses.
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