Case studies
Real work. Real numbers. No polish.
Eight engagements across Bitcoin, Ethereum, protocol infrastructure, AI agents, on-chain games, and local SEO — newest first, so the current work leads. Selected because the facts are public and the outcomes are countable.
Chronological
11 engagements
- 01
Ericeira Review — a local authority site built in public.
1,256 pageviews · 421 unique visitors · 20 countries · 19 days live · 118 Instagram referrals
- 02
Engrave Protocol — MCP server giving AI agents access to Bitcoin via x402.
First MCP server exposing Bitcoin as callable tools for AI agents · x402 payment endpoints · $ENGRAVE on Solana (pump.fun) · $1M+ at launch, $1.4M peak
- 03
Trio — Bitcoin-native marketplace, shipped with the OrdinalsBot team.
Marketplace shipped · PSBT signing across every major wallet · front-end for multiple Ordinals drops during the tenure (Oct 2024 – Feb 2025)
- 04
Project Spartacus — 76,911 Afghan War Logs inscribed on Bitcoin.
WikiLeaks archive permanently inscribed via the Ordinals protocol with the OrdinalsBot team · batched inscription pipeline at rare scale · manifest-first content integrity
- 05
EVA Online — fractional CTO on a contextual AI agent with an on-chain soul.
Fractional CTO · co-founded the Eva Soul Generator (Dadev credit) · Contextual Persistence Protocol · $EVA on Virtuals/Base · built with Marvel writer Paul Jenkins, 0N1 Force, GK Labs
- 06
Pizza Pets — the first on-chain pets on Bitcoin.
1M+ on-chain feeding interactions · deflationary on death · Ordinals + Runes game loop · multi-chain airdrop
- 07
Pizza Ninjas — 1,500 Ordinals inscribed, one #1 at Sotheby’s.
~45 BTC raised · The Angel #1 sold $139,700 at Sotheby’s · blue-chip Ordinals collection
- 08
Fall3n — Ordinals collection shipped on Bitcoin.
Collection inscribed on-chain · coordination, deployment, launch infrastructure
- 09
Side.xyz — fractional CTO for a three-axis pivot.
Brought in to pivot tech, product, and team in 2023 · shipped and handed off to the team · platform today runs as an AI agent platform at side.xyz
- 10
Not NASA — 1,093-piece hand-drawn ERC-721 launch.
1,093 tokens minted · 485 ETH secondary volume · PaymentSplitter for 3-party rev share · 553 holders · Etherscan verified
- 11
Yakuza Inc. — 3,223-piece ERC-721 sellout launch.
Sold out at 0.0667 ETH mint · 1,000+ ETH secondary volume · 1,248 holders · smart contract + mint infrastructure by David

David Dacruz
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Most of my work runs quietly. Thirty-minute call, no pitch — if we're not a fit, I'll name two people who are.