@juanpabloabadia

juan pablo abadia medina

@juanpabloabadiaCali, ColombiaJoined November 2026

Full-stack developer & tech entrepreneur exploring blockchain, AI, and public innovation through citizen participation. Founder of Blockchai

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I’m Juan Pablo Abadía Medina, a full-stack developer and technology entrepreneur based in Valle del Cauca, Colombia. I founded Blockchain Technology S.A.S. and created Ponwi and Ponwi Academy. My work connects blockchain, AI, Web3 development, and technology education with practical needs in businesses and communities. Here I share development experiences, technical decisions, and lessons from building projects, alongside ideas on public innovation and citizen participation.

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juan pablo abadia medina's blogs

Juan Pablo Abadía Medinajuanpabloabadiamedina.hashnode.dev3 posts

Before Adding Blockchain or AI, Define What Must Be Verified

A technology project becomes more reliable when its team can explain how a result will be checked. Before choosing an AI model, a smart contract, or a database, I recommend answering four questions:

1 min readjuanpabloabadiamedina.hashnode.dev

1d ago

Before Adding AI to a Reporting Workflow, Define the Failure Cases

A reporting assistant can produce a convincing summary while quietly missing a row, misreading a date or combining incompatible data sources. That is why the first engineering decision should not be w

1 min readjuanpabloabadiamedina.hashnode.dev

1d ago

Before Writing a Smart Contract, Define What You Need to Verify

A practical way to think about blockchain architecture, using a certificate verification example. A training provider wants to issue digital certificates. The first request sounds straightforward: “Le

5 min readjuanpabloabadiamedina.hashnode.dev

3d ago

@juanpabloabadia

juan pablo abadia medina

@juanpabloabadiaCali, ColombiaJoined November 2026

Full-stack developer & tech entrepreneur exploring blockchain, AI, and public innovation through citizen participation. Founder of Blockchai

Website

About

Available for

Nothing here yet.

juan pablo abadia medina's blogs

Juan Pablo Abadía Medinajuanpabloabadiamedina.hashnode.dev3 posts

Before Adding Blockchain or AI, Define What Must Be Verified

A technology project becomes more reliable when its team can explain how a result will be checked. Before choosing an AI model, a smart contract, or a database, I recommend answering four questions:

1 min readjuanpabloabadiamedina.hashnode.dev

1d ago