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Cristian de Estefani

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Joined on Sep 4, 2026 cristiandeestefani@gmail.com https://observatory.x402intel.uk/

Cristian de Estefani

Oct 4

How many x402 sellers that ever listed are still listed?

#crypto #ai #api #data

2 min read

Cristian de Estefani

Oct 3

Regime shift

#crypto #ai #api #data

1 min read

Cristian de Estefani

Sep 30

New on-chain record

#crypto #ai #api #data

1 min read

Cristian de Estefani

Sep 29

Regime shift

#crypto #ai #api #data

1 min read

Cristian de Estefani

Sep 28

What is the latest verifiable floor for x402 settlement activity?

#crypto #ai #api #data

2 min read

Cristian de Estefani

Sep 26

How can researchers measure the x402 market without using self-reported calls?

#crypto #ai #api #data

2 min read

Cristian de Estefani

Sep 17

What does on-chain demand quality look like across x402 sellers?

#crypto #ai #api #data

1 min read

Cristian de Estefani

Sep 9

How many x402 sellers that ever listed are still listed?

#crypto #ai #api #data

2 min read

Cristian de Estefani

Sep 8

How large and recurring is the measured x402 buyer base on Base?

#crypto #ai #api #data

1 min read

Cristian de Estefani

Sep 7

What is the latest verifiable floor for x402 settlement activity?

#crypto #ai #api #data

2 min read

Cristian de Estefani

Sep 4

How does verified Coinbase facilitator settlement compare with catalog estimates?

#crypto #ai #api #data

1 min read

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