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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

  1. 01

    Mar 2026 Live

    Local SEO · content

    Ericeira Review — a local authority site built in public.

    1,256 pageviews · 421 unique visitors · 20 countries · 19 days live · 118 Instagram referrals

  2. 02

    Nov 2025

    MCP server · Bitcoin × AI agents · x402

    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

  3. 03

    Feb 2025

    Bitcoin · Ordinals marketplace

    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)

  4. 04

    Dec 2024

    Bitcoin · Ordinals · permanent archive

    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

  5. 05

    2025

    Fractional CTO · AI agent · Virtuals · Base

    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

  6. 06

    2024

    Bitcoin · Ordinals + Runes

    Pizza Pets — the first on-chain pets on Bitcoin.

    1M+ on-chain feeding interactions · deflationary on death · Ordinals + Runes game loop · multi-chain airdrop

  7. 07

    Jan 2024

    Bitcoin · Ordinals

    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

  8. 08

    Jun 2024

    Bitcoin · Ordinals

    Fall3n — Ordinals collection shipped on Bitcoin.

    Collection inscribed on-chain · coordination, deployment, launch infrastructure

  9. 09

    2023

    Fractional CTO · tech + product + team pivot

    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. 10

    Apr 2022

    Ethereum · smart contract

    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. 11

    Feb 2022

    Ethereum · smart contract

    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 — senior Bitcoin and AI engineer

David Dacruz

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