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E-Learning Spot
@rosargia
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http://learningspot.altervista.org
Created
2017-12-05 13:01
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rosargia
blockchain-business
9y
Blockchain for Business #3: Requirements for a blockchain in a business environment
A blockchain needs to fulfill four really important points, to be suitable for business applications: shared ledger: an append only system of records shared across the network privacy: a business network
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rosargia
blockchain-business
9y
Blockchain for Business #2: Blockchain role in business networks
Let's see in further details what could be the blockchain role in business networks. First of all, business never operate alone. They are always connected with other businesses, governments, banks and
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rosargia
blockchain-business
9y
Blockchain for Business #1: What is a blockchain?
Business networks are often inefficient because each participant in the network keeps records of all transactions between all the parties that the business interacts with. This process causes the duplication
rosargia
blockchain-crypto
9y
Blockchain & Cryptocurrency #13: Bitcoin Scripting Language
In this post we're going to talk about what the Bitcoin scripting language and Bitcoin scripts. We will also see why a script is used in the transaction output instead of a single public key. Bitcoin scripting
rosargia
blockchain-crypto
9y
Blockchain & Cryptocurrency #12: Bitcoin Transactions Schema
In this course section, we will go into further details talking about Bitcoin transactions and looking at real data structures and real scripts. Bitcoin transactions At the moment, to simplify the model,
rosargia
blockchain-crypto
9y
Blockchain & Cryptocurrency #11: Conclusions on mining
In the previous post we have seen a lot of concepts regarding Bitcoin, so let's draw some conclusions on mining and bitcoin network. Is mining profitable? It's quite expensive for miners to be in operation,
rosargia
blockchain-crypto
9y
Blockchain & Cryptocurrency #10: Incentives and Proof-of-Work
In the previous posts we have seen a lot of concepts regarding Bitcoin. Now let's make a quick recap and draw some conclusions on mining and bitcoin network. Is mining profitable? It's quite expensive
rosargia
blockchain-crypto
9y
Blockchain & Cryptocurrency #9: Incentives and Proof-of-Work
In the previous post we saw the technical mechanism ruling Bitcoin protocol. Now we will go into further details regarding incentives and proof of work that encourage nodes to behave honestly. Incentives
rosargia
blockchain-crypto
9y
Blockchain & Cryptocurrency #8: Consensus without Identity: the Blockchain
In this post we will discuss in more details the Bitcoin's consensus algorithm. We will see how it is possible to reach consensus without identity through the blockchain. Nodes and identities Nodes without
rosargia
blockchain-crypto
9y
Blockchain & Cryptocurrency #7: Distributed consensus
We are a group composed by some Informatics and Mathematics who like to share their IT, Math and Cryptographic knowledge with people. It is possible to find our complete courses on website. Since we think
rosargia
smartphonephotography
9y
Smartphone Photography: Nativity
Here's the Nativity we have created this year at home. This is also my entry to the #decorationcontest. We have built the Nativity hut with stones we collected this summer during mountain walks. It is
rosargia
blockchain-crypto
9y
Blockchain & Cryptocurrency #6: Centralization vs. Decentralization
We are a group composed by some Informatics and Mathematics who like to share their IT, Math and Cryptographic knowledge with people. It is possible to find our complete courses on website. Since we think
rosargia
blockchain-crypto
9y
Blockchain & Cryptocurrency #5: A simple cryptocurrency, ScroogeCoin
We are a group composed by some Informatics and Mathematics who like to share their IT, Math and Cryptographic knowledge with people. It is possible to find our complete courses on website. Since we think
rosargia
blockchain-crypto
9y
Blockchain & Cryptocurrency #4: Public keys as identities
We are a group composed by some Informatics and Mathematics who like to share their IT, Math and Cryptographic knowledge with people. It is possible to find our complete courses on website. Since we think
rosargia
introduceyourself
9y
Learning Spot: free courses on IT, Cryptography, Cryptocurrencies and Math
Hello everyone! We are a group of reasearchers in Informatics, Math and Cryptography who like to share our knowledge with other members of the community. Our mission is to publish lessons and news, since
rosargia
blockchain-crypto
9y
Blockchain & Cryptocurrency #3: Digital signatures
We are a group composed by some Informatics and Mathematics who like to share their IT, Math and Cryptographic knowledge with people. It is possible to find our complete courses on website. Since we think
rosargia
steemit
9y
Steemit #1: Upgrade proposal to add a "Channel feature"
We are a group of Informatics and Matematicians who like to share our knowledge with other people interested in IT, Math and Cryptography. Steemit seems to us a great opportunity to share high quality
rosargia
hash-pointer
9y
Blockchain & Cryptocurrency #2: Hash pointers and data structures
Hash Pointer A hash pointer is a data structure that is used a lot in the systems that we're talking about. It is basically a pointer to the place where some information is stored. Together with the pointer
rosargia
hash-function
9y
Blockchain & Cryptocurrency #1: Cryptographic Hash Functions
We are going to talk about cryptographic hash functions. We'll talk about their structure and their properties. Later on, we will see their applications. Hash function definition An hash function is a
