Angel \”Java\” Lopez on Blog

July 23, 2017

Blockchain: Links And Resources (50)

Filed under: Bitcoin, Blockchain, Ethereum, Smart Contracts, Solidity — ajlopez @ 3:39 pm

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Bitcoin’s New Scaling ‘Agreement’: The Reaction
http://www.coindesk.com/bitcoins-new-scaling-agreement-reaction/

Explainer: What Is SegWit2x and What Does It Mean for Bitcoin?
http://www.coindesk.com/explainer-what-is-segwit2x-and-what-does-it-mean-for-bitcoin/

Parity Wallet Hacker Cashes out $90,000 in Stolen Ether
http://www.coindesk.com/parity-wallet-hacker-cashes-90000-stolen-ether/

What’s an ICO? ‘Big 4’ Consulting Firms Are Getting the Question
http://www.coindesk.com/whats-ico-big-4-consulting-firms-getting-question/

Pool Servers
https://en.bitcoin.it/wiki/Poolservers

Testing for throws in Solidity tests
http://truffleframework.com/tutorials/testing-for-throws-in-solidity-tests

Ethereum’s Eternal September
https://elaineou.com/2017/07/20/ethereums-eternal-september/

Multichain
https://twitter.com/roasbeef/status/888084827886436352

Segregated Witness, Part 1: How a Clever Hack Could Significantly Increase Bitcoin’s Potential
https://bitcoinmagazine.com/articles/segregated-witness-part-how-a-clever-hack-could-significantly-increase-bitcoin-s-potential-1450553618/

Segregated Witness, Part 2: Why You Should Care About a Nitty-Gritty Technical Trick
https://bitcoinmagazine.com/articles/segregated-witness-part-why-you-should-care-about-a-nitty-gritty-technical-trick-1450827675/

Stay tuned!

Angel “Java” Lopez
http://www.ajlopez.com
http://twitter.com/ajlopez

July 22, 2017

Blockchain: Links And Resources (49)

Filed under: Bitcoin, Blockchain, Ethereum, Smart Contracts, Solidity — ajlopez @ 10:53 am

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Blockchain: the revolution we’re not ready for
https://medium.freecodecamp.org/blockchain-is-our-first-22nd-century-technology-d4ad45fca2ce

Solidity Problems
https://news.ycombinator.com/item?id=14691212

Solidity Testing Example
https://github.com/levelkdev/solidity-testing-example

A bridge between the Bitcoin blockchain & Ethereum smart contracts
http://btcrelay.org/

Parity multisig wallet exploit hits Swarm City funds
https://press.swarm.city/parity-multisig-wallet-exploit-hits-swarm-city-funds-statement-by-the-swarm-city-core-team-d1f3929b4e4e

Noticias de Bitcoin en Argentina
http://www.lanacion.com.ar/bitcoins-t49651

Zombies, cerveza y calzas: a qué podés acceder con bitcoin en Buenos Aires
http://www.lanacion.com.ar/2045638-zombies-cerveza-y-calzas-que-podes-comprar-con-bitcoin-en-buenos-aires

Trust Your Odometer? Blockchain Test Aims to Turn Tide on Car Tampering
http://www.coindesk.com/trust-odometer-blockchain-test-aims-turn-tide-car-tampering/

Utility Settlement Coin Creator to Open-Source Modular Blockchain Software
http://www.coindesk.com/utility-settlement-coin-creator-open-source-modular-blockchain-software/

BIP 91 Locks In: What This Means for Bitcoin and Why It’s Not Scaled Yet
http://www.coindesk.com/bip-91-locks-means-bitcoin-not-scaled-yet/

Stay tuned!

Angel “Java” Lopez
http://www.ajlopez.com
http://twitter.com/ajlopez

July 21, 2017

Blockchain: Links And Resources (48)

Filed under: Bitcoin, Blockchain, Ethereum, Smart Contracts, Solidity — ajlopez @ 4:18 pm

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It only took hackers 3 minutes to steal $7 million worth of Ether
http://mashable.com/2017/07/17/ethereum-stolen-coindash/#1XL6Zurw2mqb

$7 Million Lost in CoinDash ICO Hack
http://www.coindesk.com/7-million-ico-hack-results-coindash-refund-offer/

Blockchain Meetup
https://www.lagash.com/es/blog/entry/2017-7-blockchain

Hack this contract
http://hackthiscontract.io/

Bitcoin: una actualización del software podría sacudir el mercado de monedas digitales
https://www.clarin.com/economia/economia/bitcoin-actualizacion-software-podria-sacudir-mercado-monedas-digitales_0_BkMcVh8Bb.html

Kazakhstan Signs Innovation Pact To Become ‘Blockchain Singapore’
https://cointelegraph.com/news/kazakhstan-signs-innovation-pact-to-become-blockchain-singapore

Tezos co-founders, on Tezos and token sales
https://11fs.com/interview/tezos-co-founders-kathleen-arthur-brietman-tezos-token-sales/

Silicon Valley is hot on a new cryptocurrency that could become worth 100 times its current value
http://uk.businessinsider.com/ethers-value-volatility-investors-staying-put-2017-7

The Parity Wallet Hack Explained
https://blog.zeppelin.solutions/on-the-parity-wallet-multisig-hack-405a8c12e8f7

Hacker grabs $30 million in ether through Parity multisig wallet flaw
https://www.helpnetsecurity.com/2017/07/20/hacker-grabs-30-million-ether/

Parity Hack: White Hat Group Drains $85 Mln As Company Fills Holes
https://cointelegraph.com/news/parity-hack-white-hat-group-drains-85-mln-as-company-fills-holes

Stay tuned!

Angel “Java” Lopez
http://www.ajlopez.com
http://twitter.com/ajlopez

July 20, 2017

Blockchain: Links And Resources (47)

Filed under: Bitcoin, Blockchain, Ethereum, Smart Contracts, Solidity, Uncategorized — ajlopez @ 2:48 pm

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Underhanded Solidity Coding Contest
http://u.solidity.cc/

Solidity CRUD- Part 1
https://medium.com/@robhitchens/solidity-crud-part-1-824ffa69509a

Más usos para la tecnología de las monedas virtuales
https://www.clarin.com/ieco/usos-tecnologia-monedas-virtuales_0_B11ezoUSW.html

What is Bitcoin Mining?
https://www.bitcoinmining.com/

Announcing “Around the Block”: a Documentary Series about the Minds Behind the Blockchains
https://medium.com/paratii/announcing-around-the-block-a-documentary-series-about-the-minds-behind-the-blockchains-b5f5bfeec12e

Potential network disruption
https://bitcoin.org/en/alert/2017-07-12-potential-split

Formal Verification of Ethereum Smart Contracts
http://securify.ch/

Functional Alternative to Ethereum (in Haskell)
https://github.com/CharlesHoskinson/ConsenSys–Fae

Don’t Get CoinDashed — How to Secure Your Token Sale
https://blog.enigma.co/dont-get-coindashed-how-to-secure-your-token-sale-a5e247944234

A Brief History of Blockchain: An Investor’s Perspective
https://medium.com/indian-thoughts/a-brief-history-of-blockchain-an-investors-perspective-387c440ad11c

Stay tuned!

Angel “Java” Lopez
http://www.ajlopez.com
http://twitter.com/ajlopez

July 19, 2017

Blockchain: Links And Resources (46)

Filed under: Bitcoin, Blockchain, Ethereum, Smart Contracts, Solidity — ajlopez @ 2:42 pm

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Securify Formal Verification of Ethereum Smart Contracts
https://twitter.com/SecurifySwiss

Formal Verification of Ethereum Smart Contracts
http://securify.ch/

Arthur Gervais
https://twitter.com/HatforceSec

Ben Davenport, CTO at BitGo
https://twitter.com/bendavenport

BitGo Making digital currencies usable for business
https://twitter.com/BitGo

Suhas Daftuar Chaincode Labs
https://twitter.com/suhasdaftuar

Ethereum contract for Bitcoin SPV
https://github.com/ethereum/btcrelay

Solidity BTC Parser
https://github.com/rainbreak/solidity-btc-parser/blob/master/src/btc_tx.sol

Solidity Test
https://github.com/dapphub/ds-test

Browser-Only Solidity IDE and Runtime Environment
https://github.com/ethereum/browser-solidity

The ethereum VM implemented in JavaScript
https://github.com/ethereumjs/ethereumjs-vm

Stay tuned!

Angel “Java” Lopez
http://www.ajlopez.com
http://twitter.com/ajlopez

June 17, 2017

Blockchain: Links And Resources (44)

Filed under: Bitcoin, Blockchain, FinTech, Links, RSK, Smart Contracts, Solidity — ajlopez @ 8:01 pm

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Visualizing Where Major US Banks Have Invested in Fintech
https://www.cbinsights.com/blog/fintech-investments-top-us-banks/

A Blockchain in 200 Lines of Code
https://medium.com/@lhartikk/a-blockchain-in-200-lines-of-code-963cc1cc0e54

Gartner’s Cool Vendors In Blockchain Platforms
http://blogs.gartner.com/rajesh-kandaswamy/cool-vendors-blockchain-platforms/

eth Interactive Console
https://github.com/ethereum/guide/blob/master/interactive_console.md

All cases when Solidity compiles to invalid jump destination
https://ethereum.stackexchange.com/questions/5743/all-cases-when-solidity-compiles-to-invalid-jump-destination

RSK’s Ginger: New step for bitcoin community
http://www.buzznice.com/rsks-ginger-new-step-bitcoin-community/

Dos proyectos argentinos ganaron una competencia global para combatir la corrupción
http://www.lanacion.com.ar/2029047-dos-proyectos-argentinos-ganaron-una-competencia-global-para-combatir-la-corrupcion-con-tecnologia

Ethereum – Distributed Consensus (A Concise Ethereum History Book)
https://www.amazon.com/gp/product/1546544828

Ethereum flavored WebAssembly (eWASM) Design
https://github.com/ewasm/design

How Etheroll and other Dapps will kill Ethereum
https://medium.com/@yobanjo/how-etheroll-and-other-dapps-will-kill-ethereum-e973d8e1c465

Ethereum Ecosystem
https://blockchainhub.net/blog/infographics/ethereum-ecosystem/

My Links
https://del.icio.us/ajlopez/blockchain

Stay tuned!

Angel “Java” Lopez
http://www.ajlopez.com
http://twitter.com/ajlopez

March 7, 2017

New Month’s Resolutions: March 2017

Filed under: C Sharp, Erlang, Go, Haskell, JavaScript, NodeJs, Open Source Projects, Solidity — ajlopez @ 11:30 am

A new month begins, and it’s time to write down my new resolutions. First, a review of the February resolutions:

– Improve SharpGo [complete] see repo
– Improve BlockchainSharp [pending]
– Improve SimpleBlockchain [complete]
– Continue Solidity Compiler [complete] see repo
– Continue ChineseP [pending]
– Improve ErlSharp [complete] see repo

Additionally, I worked on:

– Start RskSharp [complete] see repo
– Start TensorSharp [complete] see repo
– Improve AjDrawJs [complete] see repo
– Improve SimpleForth [complete] see repo
– Improve CrysSharp [complete] see repo
– New Bitcoin example in SimpleGA [complete] see repo
– Improve Husky, my Haskell interpreter [complete] see repo
– Improve SimpleLisp [complete] see repo
– Improve CrysJS [complete] see repo

My new resolutions:

– Continue RskSharp
– Continue SimpleBlockchain
– Continue Solidity Compiler
– Continue ChineseP
– Continue TensorSharp

Stay tuned!

Angel “Java” Lopez
http://www.ajlopez.com
http://twitter.com/ajlopez

February 5, 2017

New Month’s Resolutions: February 2017

Filed under: Blockchain, C Sharp, JavaScript, NodeJs, Open Source Projects, Solidity — ajlopez @ 11:42 am

The second month of the year just started, time to write my monthly resolutions, but first, let’s review the past ones:

– Improve CrysSharp [pending]
– Improve SharpGo [complete] see repo 
– Improve BlockchainSharp [complete] see repo
– Improve SimpleBlockchain [pending]
– Continue Solidity Compiler [complete] see repo
– Continue ChineseP [pending]
– Continue PegSharp [pending]

Also, I did a minor improvement on ErlSharp see repo.

My new resolutions:

– Improve SharpGo 
– Improve BlockchainSharp
– Improve SimpleBlockchain
– Continue Solidity Compiler
– Continue ChineseP
– Improve ErlSharp

Stay tuned!

Angel “Java” Lopez
http://www.ajlopez.com
http://twitter.com/ajlopez

January 10, 2017

New Month’s Resolutions: January 2017

Filed under: C Sharp, Go, JavaScript, NodeJs, Open Source Projects, Solidity — ajlopez @ 11:20 am

A new year started, it’s time to write my resolutions, but first, a review of the previous ones:

– Improve CrysSharp [pending
– Improve SharpGo  [complete] see repo
– Improve BlockchainSharp [pending]
– Improve SimpleBlockchain [pending]
– Continue Solidity Compiler [complete] see repo
– Continue ChineseP [pending]
– Continue PegSharp [pending]

I had personal issues (Spanish), but now I in a better position to pursue new resolutions.

My January resolutions are:

– Improve CrysSharp
– Improve SharpGo 
– Improve BlockchainSharp
– Improve SimpleBlockchain
– Continue Solidity Compiler
– Continue ChineseP
– Continue PegSharp

Stay tuned!

Angel “Java” Lopez
http://www.ajlopez.com
http://twitter.com/ajlopez

December 8, 2016

New Month’s Resolutions: December 2016

Filed under: Blockchain, Crystal, Go, JavaScript, NodeJs, Open Source Projects, Solidity — ajlopez @ 10:23 am

The last month of the year. Time to review past month’s resolutions:

– Improve CrysSharp [pending]
– Improve SharpGo [complete] see repo
– Improve BlockchainSharp [pending]
– Improve SimpleBlockchain [pending]
– Continue Solidity Compiler [complete] see repo
– Continue ChineseP [pending]
– Continue PegSharp [complete] see repo

My new month’s resolutions

– Improve CrysSharp
– Improve GoSharp 
– Improve BlockchainSharp
– Improve SimpleBlockchain
– Continue Solidity Compiler
– Continue ChineseP
– Continue PegSharp

Stay tuned!

Angel “Java” Lopez
http://www.ajlopez.com
http://twitter.com/ajlopez

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