Blockchain
| Language: | Nederlands • English |
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Antonopoulos : "we all started out as very strong sceptics, but when I read Sathosi's paper, it literally blew my mind"
Bitcoin isn't currency, it is the internet of value and money
Contents
- 1 Waarom zou je je in de Blockchain kunnen verdiepen?
- 2 Extend
- 3 Broodje Aap verhalen
- 4 Reeële verhalen
- 5 Technische details
- 6 Wallets
- 7 Bijeenkomsten
- 8 Online trainingen
- 9 Markten
- 10 Nieuws
- 11 NXT
- 12 Merchants
- 13 Banken
- 14 Economy transformers
- 15 Blog1: Eyeopeners op m'n vijftigste
- 16 Leveranciers
- 17 Hardware
- 18 Overheid
- 19 Toepassingen die gaan groeien
- 20 Mobile
Waarom zou je je in de Blockchain kunnen verdiepen?
- "At any rate, the spook spoke the truth: cryptology represents the future of privacy, and more. By implication cryptology also represents the future of money, and the future of banking and finance. (By "money" I mean the medium of exchange, the institutional mechanisms for making transactions, whether by cash, check, debit card or other electronic transfer.) Given the choice between intersecting with a monetary system that leaves a detailed electronic trail of all one's financial activities, and a parallel system that ensures anonymity and privacy, people will opt for the latter. Moreover, they will demand the latter, because the current monetary system is being turned into the principal instrument of surveillance and control by tyrannical elements in Western governments." - J. Orlin Grabbe
Waarom voelt de verkenningstocht ongemakkelijk?
Het gevoel dat je risico loopt met de bekendste blockchain: de bitcoin
Je lijkt geen grip op de technologie. Te ingewikkeld, te moeilijk, staat te ver van je af. Je moet vertrouwen op iets waarvan je het fijne niet weet. Je loopt daardoor in je verkenningstocht over dun glad ijs in het donker: één foutje en je bent veel geld kwijt en je voelt je een sukkel als het gebeurt.
Heel veel nieuwe verschillende systemen en technieken komen er mee met de de blockchain. Bovendien houd je het gevoel dat alles nog steeds in één keer verloren kan raken. Bijvoorbeeld als iemand de je enige password van je password vault afdwingt ben je alsnog alles kwijt.
Crypto value heeft nieuwe manieren om oude problemen zoals diefstal met geweld te voorkomen: multisignatures.
Blockchain
Blockchains work like giant digital spreadsheets shared by everyone in a decentralized network, and are used to do things like confirm Bitcoin payments. We recently discussed why many are saying the advent of blockchain technology could be as important the development of the Internet.
Nodes
Developers, miners, exchanges, wallets, merchands are nodes and they vote
Satoshi
- Satoshi Nakamoto, the pseudonymous creator of Bitcoin
- The Satoshi Bitcoin Paper
Byzantine General
Satoshi came up with a real-world solution to a longstanding computer science paradox known as the double-spend problem, or the Byzantine General's problem. The challenge is how to send and receive money online without the need for a trusted third party, such as PayPal, ensuring that the same digital credit standing in for the amount being exchanged isn't being spent twice.
What is Bitcoin
1. It is a money system (capital 'B'), 2. it is a currency (Lowercase 'b'), a family of protocols that makes the system operate
Is it a coin (made from metal)
Nope
Real Direct Value
- to transfer and store value against low costs
Keep the change
http://bitzuma.com/posts/who-needs-bitcoin-change-addresses-anyway/
Transaction Privacy
CoinJoin is an anonymization method for bitcoin transactions proposed by Gregory Maxwell. The following idea is behind CoinJoin: «When you want to make a payment, find someone else who also wants to make a payment and make a joint payment together».[1] In case of such a joint payment there will be no way to relate input and outputs in one bitcoin transaction and thus the exact direction of money movement will remain unknown to the third party.
http://bitzuma.com/posts/six-things-bitcoin-users-should-know-about-private-keys/
What is blockchain
1. It "stores" the bitcoins. 2. It is the Ledger that record the chain of events (transactions)
Investeerders
http://www.coindesk.com/10-vc-firms-bullish-on-bitcoins-potential/
http://www.blockchain.capital/portfolio.html
Visa, Citi, Nasdaq Invest $30 Million In Blockchain Startup Chain.com
What is Ethereum
A computer that is truly Global Singleton. You can not turn it off, reset, it can not fail. It is "everywhere" (alomvertegenwoordigd)
Legal issues
mw. Primavera De Filippi pdefilippi@gmail.com
Mobile Ethereum
- http://syng.io/ "Mist for Mobile", an Ethereum Light Client that runs on both Android and iOS.
Wallet Ethereum
Smart contract
Smart Contract: Self-executing agreements that verify whether their conditions are met, securely hold value, and automatically release payment.
Programming
Serpent is likely focused on lower level features compared to the flagship high-level language Solidity.
Ethereum high-level languages in order by closeness you can get to directly access the EVM:
- LLL (lowest level, basically 1 step above ASM)
- Serpent (super-set of LLL)
- Solidity (compiles down directly to EVM byte code)
Eris
A blockchain based decision making platform Juli 2014 Amsterdam
What is IPFS
IPFS is The Permanent Web, A new peer-to-peer hypermedia protocol, based on hashes. Take the hash of the file itself and that will be the address.
IPFS is a peer-to-peer distributed file system that seeks to connect all computing devices with the same system of files. In some ways, IPFS is similar to the Web, but IPFS could be seen as a single BitTorrent swarm, exchanging objects within one Git repository. In other words, IPFS provides a high throughput content-addressed block storage model, with content-addressed hyperlinks. This forms a generalized Merkle DAG, a data structure upon which one can build versioned file systems, blockchains, and even a Permanent Web. IPFS combines a distributed hashtable, an incentivized block exchange, and a self-certifying namespace. IPFS has no single point of failure, and nodes do not need to trust each other.
IPFS heeft de ambitie om 404's in de toekomst uit te sluiten. Content gaat nooit meer verloren.
What is the Lightning Network
The Lightning Network is a decentralized system for instant, high-volume micropayments that removes the risk of delegating custody of funds to trusted third parties.
The bitcoin blockchain currently enforces a minimum output size many hundreds of times higher, and a fixed per-transaction fee which makes micropayments impractical. Lightning allows minimal payments denominated in bitcoin, using actual bitcoin transactions.
Extend
Als de 21 miljoen Bitcoins 1% van de huidige geldvoorraad zouden willen bestrijken, zou 1 bitcoin 50.000 dollar waard moeten zijn.
Wake up little Suzie.... wake up
http://uk.businessinsider.com/the-future-of-the-blockchain-2014-4?r=US&IR=T#ixzz30V6fBi2S
Unique 1: 21 million maximum
Unique 2: No central authority
Unique 3: Assurance contracts
Kickstarter funding model: Supporter's pledge money is only taken if enough pledges are gathered.
Wat is macro-economie
- 1. Overheid
- 2. Consumenten
- 3. Producenten
- 4. Financieele sector
Wat is economie ook
Onlasmakelijk met elkaar verbonden:
- 1. Specialisatie van arbeid
- 2. Ruil
Wat is geld
- 1. ruilmiddel
- 2. beprijzen van waarde
- 3. voorraad
- 4. een schuldeiser - schuldenaar relatie (Dirk Bezemer)
- 5. geld is geen ding, een ding kan niet uit het niets verschijnen, een relatie wel (Dirk Bezemer)
Hoe ontstaat geld
Doordat er een nieuwe schuld wordt aangegaan (Dirk Bezemer)
FIAT Money
falen, falen en nog eens falen
Wat zijn belangrijke eigenschappen van schulden
- a. Krediet op een financieel duurzame manier gebruiken: ik verkrijg extra inkomsten waarmee de schulden kan afbetalen
- b. Consumptief krediet is broekzak-vestzak verhaal (micro) en op macro-schaal gunstig (fabrikanten worden gefinanceerd)
- c. Hypotheken zijn nuttig, maar is ook een vorm van consumptief krediet: je moet het afbetalen uit andere inkomsten! (micro) Macro-niveau: we produceren niets met de stijging van huizenprijzen in de bestaande woningvoorraad.
- d. Lenen om te investeren in financiële producten
C en D zijn vermogenstitels: het vergeten geld. Hier worden schulden aangegaan waar geen productiecapaciteit tegenover staat.
Probleem en oplossing
- 70% van de schulden ondersteunt onze economie niet
- schulden worden verkeerd gebruikt door de banken
- schulden verstikken uiteindelijk je economie
- Oplossing: schulden zijn goed zolang ze economische groei te promoten
- Oplossing: het gesprek aan gaan
- Oplossing: juridisch oplossen ->
- Oplossing: reinvent the money LETS : Local Exchange Trading System (lakmoes proef: leidt het ertoe dat we meer schuld productief gaan gebruiken?!)
Het vergeten geld
Het meeste geld zit opgehoopt in het vastgoed: land, huizen, bedrijven etc. ... (Hvc: Zo zo Nederland, wat als je letterlijk voor grote delen onder water staat over 200 jaar?)
Trainingen over geld in normale mensentaal
Helen Toxopeus
Ons geldsysteem is gemaakt door de mens en de mens kan deze dus ook zelf veranderen. Welke fundamentele patronen in ons geldsysteem staan een duurzame economie en maatschappij in de weg? Hoe kunnen we geld weer dienstbaar maken aan een duurzaam voortbestaan van mens en natuur, in plaats van mens en natuur dienstbaar aan geld?
Dirk Bezemer
Wat is geld.
What is values, source of value?
Currency is a language in a social environment that expresses value.
Broodje Aap verhalen
- Bitcoin verliest vroeg of laat van een betere nieuwere coin. Nee zegt Antonopoulos, nieuwe zijn de ambassadeurs van het principe en versterken de voorlopers. Bitcoin is de eerste, de grootste, de stabielste, de meest vertrouwde, de beste distribueerde.
- 51% Bitcoin Attack by Andreas Antonopoulos
- Wie is de core dev? Antonopoulos: Er is geen core team. We zijn allemaal core devs!
- bitcoins is dead? No. Isbitcoindead.com :-) You can not stop the internet.
- Bitcoin can't be money
- You can't hold it in your hand (Not true)
- Scarcity (Gold is and bitcoin by design)
- Does it store value (Gold is indestructible)
- Is it legal? (Bitcoin is not attacked!) Gold is money, bitcoin is not.
Gold is jewelry, durable, old (5000-6000 yrs)
Cowries shell (8000 yrs) https://en.wikipedia.org/wiki/Shell_money where the first currencies.
Bitcoin can be hacked. Gold not. Answer: It is just the opposite: Bitcoin can't be cracked, Gold has been created by Chemists!
Je kunt anonieme deals doen! Antwoord: Dat is niet waar!
Reeële verhalen
- Bitcoin zal moeilijk te upgraden zijn met een hard fork. Kijk eens naar "van IPV4 naar IPV6", 20 jaar heeft het geduurd.
- New ways interacting, new types of economies
- Nothing is more profitable than war, nothing is more profitable than 0% FED loans, algoritmic trading
- The focus op Bitcoin alleen en niet op de Alt coins is niet goed. Alt coins are good as soon as it has either featureset or infrastructure or both.
- We need to have standards. Software standards hinders growth.
Ponzi schemes - Kettingbrief
Proof of stake wordt soms vergeleken met kettingbrieven. Dat is niet terecht. Het is wel eerder als centralistisch te bestempelen. Er wordt met Casper gezocht naar een gouden middenweg.
Bustafunds
http://themerkle.com/bitcoin-scam-site-warning-bustafunds/ Bitcoin Scam Site Warning – Bustafunds
Leocoin
na onderzoek en eigen ervaring gebleken toen ik een postief opbouwende kritiek zag verdwijnen op een stakeholder blog:
- http://www.ibtimes.co.uk/leocoin-bitcoin-rival-launches-amid-claims-pump-dump-scam-1494561
- https://www.cryptocoinsnews.com/leocoin-claims-second-largest-digital-currency-bitcoin-bullshit/
Onecoin
na onderzoek gebleken:
- http://behindmlm.com/companies/onecoin-investment-warning-issued-by-bank-of-hungary/
- http://hotmlmcompanies.com/onecoin-review/
- http://ethanvanderbuilt.com/2015/05/08/onecoin-scam-yes-opinion/ gedegen onderzoek wmb
- https://www.reddit.com/domain/onecoin.eu/ de homepage op reddit. En gebeurt weinig.
- http://cointelegraph.com/news/one-coin-much-scam-onecoin-exposed-as-global-mlm-ponzi-scheme
Technische details
In eenvoudige bewoordingen
- http://bitcoinproperly.org/ Engels
- http://www.bitcoinproperly.org/nl/ Nederlands
- http://cointelegraph.com/news/what-is-the-blockchain-
- [https://youtu.be/lc-k-3zz1P4 Rutger van Zuidam
- https://www.youtube.com/watch?v=Zb-UooSwbcg
- https://decorrespondent.nl/70/Hoe-Bitcoin-de-oude-idealen-van-het-internet-nieuw-leven-inblaast/12911778880-ecc7c2e7
Voorvechters kritische mensen!
Iets minder eenvoudig
https://www.youtube.com/watch?v=2UC_8NdR1To
- nr 4 is bullshit.
Future of Blockchain
Filmpje Antonopoulos
- we had to recalibrate our world authority of opinion as a matter of content, not source. Not about who issued it, not about who distributed it, not about who had the big printing press.
- governments no longer have the authority that is created by the ownership of the printing press, authority is now derived from the use of the currency.
- souverenity by the users not by the printing press that created it.
- currencies have an intrisic value by the use of it, as a means of exchange of stored value by the user, not by the authority of the printing press that created it
- Many coins will emerge. Which coins will have monetary value for the rest of us?
Toekomstvisies
https://www.youtube.com/watch?v=u48ccZ27wfQ&list=UU9rOAPUfZe3KEja0vvFpe_A
Wired podcast
- Engelstalige historische podcast: wired.com
If can't beat them, join them
https://www.youtube.com/watch?v=u48ccZ27wfQ&list=UU9rOAPUfZe3KEja0vvFpe_A
Cryptografie
DWDD - 2013
Ik geef jou een rij getallen (Klupping doelt op de zichtbare public key en het “geven”: private key)
Fouten in de uitzending:
- Het is niet gebaseerd op puur vertrouwen, vertrouwen is niet nodig, het is te vertrouwen ‘by design’.
- Geen transactie kosten, dat is niet waar. Er zijn kleine transactiekosten in verhouding tot het reguliere betalingsverkeer
Je hebt een bank niet meer nodig
Het systeem voor het volk
Belasting vindt het niet grappig omdat ze niet weten wat je krijgt
Het hele systeem is open
- Nerds die klooien
- Handelaren speculeren
- Protest: Mensen vertrouwen de wiskunde en Nakamoto’s algoritme meer dan de in de politici en financieel
Het dubbel uitgeven probleem is opgelost.
Henk
- Miners moeten wel vrouwen zijn. Ze kunnen meerdere dingen tegelijk:
Jan 3 2009 Genesis block van 50 bitcoins. In 2012 trekt Satoshi zich terug.
Amerikaans lid van regering: “An online form of money laundry”, Precies een “a form of”; want hoeveel geld wordt er wereldwijd jaarlijks wit gewassen in verhouding tot wat er met bitcoins gebeurt.
Proof of work
- https://en.wikipedia.org/wiki/Proof-of-work_system
- https://en.bitcoin.it/wiki/Proof_of_work
- https://www.khanacademy.org/economics-finance-domain/core-finance/money-and-banking/bitcoin/v/bitcoin-proof-of-work
Proof of Stake
https://en.bitcoin.it/wiki/Proof_of_Stake
Proof of Burn
https://en.bitcoin.it/wiki/Proof_of_burn
Blocksize debate
hitting the capacity level
Payments take longer
Transactions grow: backlog grows, because traffic is going up in general
Cascading failure: traffic will go up with overload situations (resend requests)
Segregated Wittness
Payment channels
Small transactions that are equalised in a trust environment of two parties outside the blockchain. And the net-result of the transactions (the outcome) is offered to be concluded in the blockchain.
Wallets
- http://www.hongkiat.com/blog/bitcoin-wallets/
- circle.com, verzekerde wallet! zowel web als mobiel, terwijl het centraal staat.
- Vaultoro -> zekerheid door met goud te ruilen in Zwitserland
Bijeenkomsten
Amsterdam, eerste woensdag van de maand, Pakhuis de Zwijger
Online trainingen
- 14 videos van een half uur met basis training: what is, wallet and backup, MFA, protection, mining.
- Mike Hearn discusses "The future of Bitcoin: new applications and rebuilding the banking system" 2012
- Consensus Algorithms, Blockchain Technology and Bitcoin Andreas M. Antonopoulos - architecture of the Bitcoin:
- 1. Hashfunctions - original SHA256 (fixed length ouput). A "fingerprint". Always the same output with the same input!
- 2. Hashcash - original spamcontrol
- Why Bitcoin Terrifies Big Banks interview with Andreas Antonopoulos
- Bitcoin vs. The Federal Reserve interview Andreas Antonopoulos and Stefan Molyneux]
Markten
https://www.bitcoinsvergelijken.nl/
Hacked
- https://bter.com 2015
- https://bitstamp.net 2015
- https://mtgox.com 2014
- Bit-o-matic
- Mybitcoin
graphs
http://www.winkdex.com/ gemiddelde van alle exchanges wereldwijd met mobiel app.
http://bitcoincharts.com/markets/
peer 2 peer exchanges
Bitsquare is a platform with similar interests in decentralization as Brawker. Both platforms allow the purchase of products that don’t conventionally accept bitcoin, but they approach it differently. In Brawker’s case, they utilize multi-signature technology to complete transactions.
Retail outlet
- Coinbase It's best to think of Coinbase as a retail outlet that let's you buy coins, which you can either use to buy product or transfer somewhere else for trading. The safest way to use their service is to make a transaction, then wait (like a dinosaur) for the ACH to clear before initiating another transaction. Coinbase is not an exchange.
exchanges in EURO
- btc-e.com
- kraken.com
- https://www.bitstamp.net/
- https://www.bitcoin.de
- https://eur.bitcurex.com/ Buy bitcoins and send them to the designated address without signing up! Please remember to doublecheck the recipient and the btc address. - fee 0.15%
- https://localbitcoins.com/ Local trade SEPA, Paypal
- http://therocktrading.com/
- https://www.itbit.com/
Dollar
Nieuws
Blind signatures
Blind signatures for Bitcoin: the ultimate solution to secure BTC storage Oleg Andreev
Blogs
- http://www.ofnumbers.com/ writer Tim Swanson of book Great chain of Numbers
- http://www.the-blockchain.com/
- http://intobitcoin.com
- http://intobitcoin.com/nl/bitcoin-uitgelegd
- https://bitcoinmagazine.com
- http://reddit.com
- https://cryptozap.wordpress.com/category/news/
- http://btcnews.com
- http://nxter.org
- http://insidebitcoins.com
- https://bitcoinnewsmagazine.com/
Vlogs
Podcasts
- Ether review
- Epicentre bitcoin
- Letstalkbitcoin
NXT
What Is NXT?
NXT (pronounced “next” or “N-X-T”) is an electronic public ledger/network that allows people to make financial transactions without a trusted middleman.
The public ledger can also be used to record titles, deeds, diplomas, birth certificates, death certificates, drivers license, copyrights, trademarks, etc.
Data can only be recorded into the public ledger after it receives a majority consensus from all the users in the NXT network. The majority consensus is based on a specific set of mathematical formulas and not on human biases.
Once a piece of data or transaction has been recorded into the NXT public ledger, it can never be erased or undone by anyone.
The NXT platform (software) is created and promoted by a group of volunteers and is not owned by any individual or organization therefore anyone can download the entire NXT public ledger and use it for free without permission from anyone.
Coinacademy on NXT
What is NXT? Building upon the concepts of Bitcoin but completely revolutionary as well, NXT is a new and innovative approach to cryptocurrency. It is not a fork of Bitcoin and was built from scratch using an entirely original code base which in turn addresses many issues found with Bitcoin and other cryptocurrencies.
For instance, the bloated blockchains, not to mention, NXT solves a huge environmental issue presented by many other cryptocoin and the arms raised to mine coins with power-hungry GPUs or warehouses full of asic miners.
No mining? In a sense, that is correct. At least not the type of mining you are accustomed to. There will never be a NXT new generating. They were all generated in the genesis of the currency totalling one billion. The generated NXT were then dispersed amongst the early adopters known as stakeholders. These individuals took the risk of putting small investments of Bitcoin towards the creation of NXT. In return, they were all rewarded according to their original investment and are not dispersing NXT by giveaway, bounties and exchanges.
Time between blocks is one minute. This does increase the rate of orphan blocks, however it makes it more convenient for users of NXT. NXT does not use scripts either which simply accelerates transaction process.
Features I’m really excited to present
100% proof of stake
Reduced security risks such as fifty-one per cent attack and other vulnerabilities inherent to proof of work coins.
One hundred per cent green foraging, not mining. There is no mining, NXT do not need power-hungry GPUs or asic miners, just a regular PC and NXT to start foraging for coins today. Basically, you earn coins via transaction fees. The percentage of NXT you will potentially forage is based on the amount of NXT you have in your account.
Decentralized peer-to-peer exchange – no need to pay high fees on exchange websites when you can trade among trusted peers.
Decentralized DNS, not to mention a myriad of other anonymous solutions such as anonymous websites, payments, messaging and more to be build upon its core.
Coloured coins, also known as small properties. In simple terms, you can assign your coins to represent a physical or intellectual property; perhaps a business, investment or any other entity that has a monetary value.
Instant transactions while still being secure. That’s right. You don’t have to worry about the bloated blockchain. Trading between known and trusted peers can be done instantly.
Alias system – allowing for the assignment of aliases via an account to a website, an entity, phone number and more.
Let’s not forget multi-sig and other features to be developed by the community.
www.secureae.com founder Sergey Nazarov
http://www.secureae.com/ bedrijf
DE DIENST ZELF IS GESTOPT OP NXT! nu is Sergey bezig met http://smartcontract.com/
Sergey: Well the benefits of running it on the NXT blockchain is that the messaging capabilities and the capabilities… NXT was not made to be another payments Crypto currency, it was made to be a platform for doing things like smart contracts and decentralized exchange. So the benefit is, NXT was architected in a way to allow you to write other types of information into a blockchain very quickly and securely. So the quickly is 1 minute block generation time as opposed to 10 minutes or 40 minutes or something like this. So it’s down to a minute.
Real-time revenue sharing
Sergey: Real-time revenue sharing is a smart contract type that we are excited about because we think it utilizes the full potential of this technology to create trust between two individuals, namely, somebody who has a revenue stream – a verifiable electronic revenue stream that they wanted securely and verifiably distribute to somebody else.
So let’s say I’m a content site and I generate 10 million units and I make a hundred thousand dollars and I want to share my revenue stream with XYZ person under ABC contractual conditions. Let’s say you put up 10% of that revenue stream for 6 months, what you can do now that you couldn’t do before is every time an ad is served, let’s say it makes a dollar. 10 cents from that singular ad goes from the ad exchange to the smart contracts. So the point of failure that we eliminate in real-time revenue sharing is that the money doesn’t go to the person who owns the content site.
The person who owns the content site makes a legal request to the ad exchange, he publishes that legal request also in the smart contract and it says to the ad exchange “hey, for the next 6 months, send 10% of all the revenue I would have gotten to the smart contract.” Let’s say an ad makes a dollar, so 10 cents gets sent to the smart contract. There are 10 units of the smart contract and so each person gets 1 cent. But none of those people have the risk that you will get, that they will somehow increase the amount of ads that you show would increase your success in terms of revenue and they will not receive that revenue.
That possibility is no longer there. It eliminates a critical point of failure of trust between people for sharing a very valuable economic resource. And if we can do it down to the resolution of real time, why wouldn’t we. We have this really cool technology that can do this, why would we do less when we can do more. So that’s what we did.
What Is The NXT Foundation?
The NXT Foundation is a group of early adopters of the NXT platform who share the belief that the NXT technology has the potential to revolutionize how people make financial transactions and eliminate the inequalities of the legacy central banking systems and have volunteered to unify their efforts to promote the NXT platform with integrity and professionalism.
- http://nxtfoundation.org/bas/ - Bas Wisselink (Damelon)
- http://nxt.org/what-is-nxt/asset-exchange/
- http://nxter.org/how-to-use-nxt-asset-exchange-tutorial/
- http://nxtfoundation.org
- 45 Mio NXT stolen in 2014 on BTER exchange
BTER
second offence BTER Did they learn and become really Bter?
POLO
https://poloniex.com/ exchange
Merchants
Banken
Positief
Economy transformers
STRO - Cylcos
Blog1: Eyeopeners op m'n vijftigste
Sinds ik kan denken, heb ik al een wantrouwen tegenover banken. Als klein jochie ging ik met mijn moeder spaargeld naar de Boerenleenbank (nu Rabobank=RAiffeisen+BOerenleen) brengen bij ons in het dorp. Trots als een pauw loop ik met mijn rijkelijk gevulde Piekpijp het bankgebouw binnen. Na 10 minuten wachten (jaja, je ging op een soort audiëntie), en 2 minuten naar mijn moeder opkijken die de piekpijp had overhandigd over de balie, kreeg ik een lege piekpijp terug. Mijn moeder heeft buiten een half uur moeten praten als brugman om me te overtuigen dat dat bijgeschreven regeltje in mijn spaarboekje net zoveel waarde had als mijn piekpijp die vakkundig de nek om was gedraaid. Ik heb nooit meer een gulden in de piekpijp gegooid en het is nooit meer goed gekomen tussen Henkie en de bank :-)
Tot vandaag! Een bank heeft een rol in de economie. Ze maken uit het niets een bedrag aan OMDAT IK DAT WIL. En niet omdat zij dat kunnen. Ze willen het wel uitlenen natuurlijk (omdat ze worden beloond voor service) en verleiden mij daarom ook wel om te lenen maar sec genomen ben ik het zelf schuld dat de bank uit het niets een bedrag aanmaakt en daar vervolgens rente over berekent.
Tjeetje, dat ik dit nog ooit zou schrijven en vinden. Een echte eyeopener dus. Met dank aan Dirk Bezemer overigens. Banken creëren niet zomaar geld, deze beschuldiging heb ik een half leven lang onterecht overal te pas en te onpas geuit. Gelukkig heb ik tegenwoordig meer kennis over het wel en wee van banken en hoe ze (niet) werken. En heb ik nog steeds heel veel (andere !) redenen om de bank tot in het diepst van mijn ziel te wantrouwen. Daarover later meer.
Negatief
Leveranciers
Hardware
- Alles zonder kabel is te compromiteren
- Trezor B39 standaardisatie -> 24 woorden van je private key (more or less a brainwallet)
- Keyloggers hebben toch de mogelijkheid om je 1 password master password te "vangen"
- Encrypted version of Trezor - password management
Case Wallet
New York - 200 dollar, multisig, 2G communicatie 174 landen.
Trezor
Tjechie - rond de 120 euro
Waarom beter dan Armory? Niet beter, makkelijker!
The reason why is very simple: Trezor is more secure because once you have it, securing your bitcoin is easy. You can argue that the same applies to electrum and armory, but I beg to differ. The upkeep of trezor is so simple and easy that nothing beates it... Except for maybe Bwallet ;-) I don't think I can put it any simpler than this.
Ledgerwallet
minder duur (35 euro), geen scherm, nog niet virusbestendig
Overheid
Positief
Negatief
Toepassingen die gaan groeien
OpenBazaar
OpenBazaar is a peer-to-peer social market. It's like combining eBay™, Twitter™ and BitTorrent into one. Only, there are no fees or restrictions and OpenBazaar is open-source. Please note that it may look and feel a bit different than what you're use to, so please be patient as you adjust.
- http://bravenewcoin.com/news/sneak-peek-at-bitcoins-upcoming-killer-app-open-bazaar/
- https://blog.openbazaar.org/vendors-guide-to-openbazaar/
- https://blog.openbazaar.org/openbazaar-user-tutorial/
Mobile
Transactions
Authentication
Authy
BLockchain bridges
Hyperledger
https://docs.google.com/document/d/1Z4M_qwILLRehPbVRUsJ3OF8Iir-gqS-ZYe7W-LE9gnE/pub
Blockchain Identity
- 2014: This is a live hack at the Ace Hotel in London producing the world's first Blockchain ID card.
Usage Example, from okTurtles
With BlockchainID, users will be able to use a traditional username/password pair to log in to any website or service, and that service will be able to verify them using the information that's stored in a blockchain. It can be any blockchain that supports arbitrary key/value mappings (like Namecoin, Ethereum, NXT, etc.). Users can send each other end-to-end encrypted messages by knowing each other's BlockchainIDs in a MITM-proof way by retrieving information via blockchain nodes, thin-clients, or trusted servers like DNSChain.
