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Crypto && Coffee 006

Technology Recap: 


  • Luke Dashjr, a Bitcoin Core developer, estimates the total number of Bitcoin nodes fell 22% from 65,000 to 50,500 during 2019, based on counts of unreachable/non-listening nodes. Full historical graph 
  • Overnight on January 1st, 2000 Bitcoin Core onion nodes appeared. There are normally 200. Github user BitNodes later attributed the jump to faulty code. 



  • Bitcoin ABC 0.20.10 has been released. This release cleans up the output of mempool-related RPC commands. 


  • The Muir Glacier fork which activated on January 2nd was a success! The fork reduced block times by 25%.  

Other Chains:  

  • Ariel Gabizon, previously a cryptographer and engineer at Zcash, recently became Chief Scientist at AZTEC Protocol. His main focus will be bringing privacy to web3 using universal SNARKs. 
  • Beam, a privacy-focused cryptocurrency which uses MimbleWimble, celebrated its first anniversary and halving on January 3rd.  
  • Loopring posted a thread regarding the Loopring v3 settling zkRollup DEX transactions on Ethereum mainnet for the last 10 days of December 2019. They reported that 393,518 trades were completed.  
  • In 2019, the amount of BTC pegged to the Liquid sidechain increased from 42 BTC to 96 BTC.  
  • Monero devs shared Triptych, a logarithmic-sized ring signature scheme that would allow for larger ring sizes while retaining efficient transactions. This is in relation to both transaction size and verification performance. Full paper: 


Mainstream Recap: 

  • StarkWareEli Ben-Sasson and Alessandra Chiesa’s project focused on bringing privacy and scalability to blockchainsshared stats on their DEX that break Ethereum’s scalability record post-Istanbul fork, with a 2000X improvement over Ethereum Layer-1. 9K trades per second at 75gas per trade. Full thread 
  • Winklevoss Capital joined the $5M seed round for crypto tax reporting platform TaxBit. 


This Week’s Cup of Coffee: 

This week, we are grabbing a cup from Chromatic Coffee Co. in San Jose, California. José Maria’s Dark Roast from Brazil is a warm roast with notes of cocoa and brown sugar. Out of all the different coffees I’ve had, Chromatic always gets the “tastes like” on their bags perfectly. Enjoy! 

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