Mario Larangeira
banner
larangeira.bsky.social
Mario Larangeira
@larangeira.bsky.social
Cryptographer at IOHK (https://www.iohk.io/)
Specially Appointed Associate Professor at Tokyo Tech (https://www.titech.ac.jp/)
É preciso estar atento e forte.

E sem anistia (É cana!)
#SemAnistiaPraGolpistas #SemAnistia

www.youtube.com/watch?v=w7sb...
Divino Maravilhoso_Gal Costa (Gal Costa 1969)
YouTube video by Vanessa Michele
www.youtube.com
September 22, 2025 at 2:10 AM
Robert Redford passed way. One movie he is in and I like is named "Sneakers". In the secretary scene, you can see the Asiacrypt'91/Japan poster.

This conference started as Auscrypt'90/Australia, and that is why Australia is not in Asia but hosts Asiacrypt. Like this year! :)
September 18, 2025 at 6:38 AM
No fringir dos ovos, o que testemunhamos no julgamento do #Bolsonaro e trupe golpista foi uma discordância entre um homem de peruca e um careca.

A coisa mais "capilarmente" natural do mundo.

E o careca ganhou.

#bolsonarocondenado #bolsonaropreso
September 12, 2025 at 6:44 AM
Here is one more video about ITA and Embraer (where I have graduated and worked, respectively, before coming to Japan). It showcases the recent success story of Embraer and its leadership in the markets it shines.

Here it is
www.youtube.com/watch?v=NB1J...
How EMBRAER has CRUSHED BOEING and AIRBUS with a 950% increase in stock value | @visualeconomiken
YouTube video by VisualEconomik EN
www.youtube.com
August 12, 2025 at 3:16 PM
No jornal de sexta-feira o #aindaestouaqui estava em destaque

#waltersalles #fernandatorres
August 10, 2025 at 3:34 AM
As promised! Here is the episode #9 of the Alice & Bob Podcast!
mario.report/portfolio/20...

Next week It will be Episode #10 and last!
Stay tuned, there will be a surprise!
August 8, 2025 at 6:16 AM
With a delay of a few days (it should have been released last week), Episode #8 of Alice & Bob Podcast (expect the #9 by the end of this week!). This time it is about the work we presented in the CoDecFin Workshop at FC this year in Miyakojima!

Here it is mario.report/portfolio/20...

Enjoy!
(Alice & Bob Podcast #8): Our paper in FC’25, the AucRand
Alice & Bob Podcast #8 on the new protocol named AucRand we have presented at the CoDecFin Workshop in FC’25.
mario.report
August 4, 2025 at 7:06 AM
Enjoying the last part of my warm Sunday evening.
July 27, 2025 at 12:10 PM
New episode!

Alice & Bob Podcast Episode #7 is out!
This time they will talk about the MUSEN Verifiable Random Function and its nice properties!

Check it here:
mario.report/portfolio/20...
July 24, 2025 at 9:12 AM
It was just released!

The Alice & Bob Podcast #6

Today's episode is a deep dive in one of our protocols from 2023, which we nicknamed the "Interhead Protocol".
Enjoy!

mario.report/portfolio/20...
July 17, 2025 at 1:31 PM
As promised the Episode #5 of Alice & Bob Podcast is out!
This time they go over the Maravedí Protocol.

Enjoy!
mario.report/portfolio/20...
(Alice & Bob Podcast #5): Trading Risk for Finality-Maravedí
Alice & Bob Podcast #5 on trading risk for finality - Maravedí.
mario.report
July 12, 2025 at 4:19 AM
With some delay, but we finally released the Episode #4 of our Alice & Bob Podcast!
It was supposed to be released last week, so expect the #5 by the end of this week!

Here it is: mario.report/portfolio/20...

Enjoy!
(Alice & Bob Podcast #4): Reputation at Stake!
Alice & Bob Podcast #4 on Reputation at Stake!.
mario.report
July 8, 2025 at 6:34 AM
New episode of the podcast!
This time Alice and Bob will discuss Decentralized Storage Network ( in particular the draft in eprint.iacr.org/2025/887).

We have two versions this time: a short and a long version!
mario.report/portfolio/20...

Enjoy!
June 26, 2025 at 6:21 AM
Cardano Days Tokyo (Day #2) at Oookayama Campus/Science Tokyo

Simulating the Ouroboros and rewards Protocol
#CardanoNews #BlockchainInnovation
June 25, 2025 at 11:06 AM
For those interested in a quick review on our new consensus protocol based in matching bids in an action system (next week in ACNS'25, Xiangyu Su is presenting), here is the Episode #2 of our Alice & Bob Podcast

mario.report/portfolio/20...
(Alice & Bob Podcast #2): Double Auction Meets Blockchain at ACNS’25
Alice & Bob Podcast #2 on Double Auction Meets Blockchain at ACNS’25.
mario.report
June 20, 2025 at 8:21 AM
It is my pleasure to announce that I will be presenting our newest work at SECRYPT 2025.

In the meanwhile, if you are interested, there is the first episode of our new podcast, named "Alice & Bob Podcast".

This is the first episode of a batch of 10.

Enjoy!

mario.report/portfolio/20...
(Alice & Bob Podcast #1): Cold Staking at SECRYPT’25
Alice & Bob Podcast #1 on Cold Staking at SECRYPT’25.
mario.report
June 12, 2025 at 7:18 AM
If you want to know more about our work, I have news for you!

I have a podcast about it!
Check out our "Alice & Bob Podcast #1"

mario.report/portfolio/2025…
https://mario.report/portfolio/2025…
June 11, 2025 at 6:24 PM
Just caught up with the last released episodes of Andor Season 2.
Well, what can I say?

Welcome to the rebellion!

(I have friends everywhere)
#Andor #AndorS2 #AndorSeason2
May 7, 2025 at 1:40 PM
On my way to the campus, just saw this in somebody else's backyard

A nice week ahead, I guess...
April 28, 2025 at 3:14 AM
So far, it seems that Trump tried a trick from his "The Art of the Deal", and China answered with a "bit older" book of its own: "The Art of War"

#TrumpTarrifs #Tariffs #TariffWar #TradeWar
April 10, 2025 at 2:47 PM
I'm having a hard time to catch up with the news of the tariffs, the retaliation, the retaliation of the retaliation, and the retaliation of the retaliation of the retaliation.

At least they have a summarized ghiblified market graph.
April 8, 2025 at 3:33 PM
Tariffs are up!
Are we in Episode 1 !?
April 3, 2025 at 3:18 PM
Big Moon today
March 14, 2025 at 2:14 PM
March 9, 2025 at 3:44 PM
I realized that some of my Danish friends may no be aware of this, so I'm sharing it.
If successful, Californians will be allowed to drink beer on streets which is something worth fighting for.

ktla.com/news/califor...
Thousands of Danes sign petition to buy California from U.S.
In response to President Donald Trump’s continued musing about the U.S. acquiring Greenland from Denmark, Danish citizens have launched their own effort to purchase America’s most econo…
ktla.com
February 12, 2025 at 5:37 AM