All Free Ebooks
How do you decide which type of database to use?
There are hundreds or even thousands of databases available today, such as Oracle, MySQL, MariaDB, SQLite, PostgreSQL, Redis, ClickHouse, MongoDB, S3, Ceph, etc. How do you select the architecture for your system? My short summary is as follows: š¹Relational database. Almost anything could be solved by them. š¹In-memory store. Their speed and limited data size[...]
Principles & Best practices of REST API Design
This best-practices article intends for developers interested in creating RESTful Web services that provide high reliability and consistency across multiple service suites; following these guidelines; services are positioned for rapid, widespread, public adoption by internal and external clients. Here is the complete diagram to easily understand REST APIās principles, methods, and best practices. Now, Letās[...]
What really happens when Bob transfers 1 ššš to Alice on blockchain?
The diagram below shows the detail. šø Step 0 ā Bob wants to transfer 1 BTC to Alice. He initiates the transfer in his wallet. šø Steps 1 and 2 ā A transaction A is created with Aliceās address. Bob then š¬š¢š š§š¬ the transaction with his private key. šø Step 3 ā The signed transaction[...]
What drives š¬ššØšš¤ š©š«š¢ššš¬ up and down?
The diagram below shows how ššš¦šš§š šš§š š¬š®š©š©š„š² make the prices go up or down, using Metaās stock as an example. All the buy/sell orders are placed into a šššš (Centralized Limited Order Book). Green ones are buy orders, and red ones are sell orders. At each price level, there are several orders queued up[...]
What are the 4 models of šš«šØš¬š¬-ššØš«ššš« š©šš²š¦šš§šš¬?
The diagram below shows the 4 models. ā¶ļø 1. ššØš«š«šš¬š©šØš§ššš§š ššš§š¤š¢š§š š¦šØššš„ The correspondent bank holds deposits owned by other banks from other countries. This allows banks to access financial services in different jurisdictions. Under some international card schemes (Visa, Mastercard), participating banks typically rely on correspondent banking for settlement. ā¶ļø 2. šš§ššš«š„š¢š§š¤š¢š§š š¦šØššš„[...]
Why are stocks settled so slowly (T+2)?
The diagram below shows the overall flow. There are 3 parts: š¹ Trading š¹ Clearing š¹ Settlement ā¶ļø šš«ššš¢š§š Steps 1.1 ā 1.3: The stock buyer and seller place orders via brokers or custodian banks. Step 2: The brokers execute the orders in the exchange. ā¶ļø šš„ššš«š¢š§š Step 3: The exchange sends execution reports to[...]
What is a š¬šššš„šššØš¢š§? How does it work?
Is it going to change the payment industry? š The diagram below shows how fiat-backed stablecoin USDC is created and destroyed. š
š¢šš ā ššššš„šššØš¢š§ š¹ Step 0 ā A ERC-20 smart contract is deployed on the blockchain, with stablecoin token detail. š¹ Step 1 ā Bob transfers $100 from his fiat wallet to the custodian[...]
šš”šš š¢š¬ šššš (Central Bank Digital Currency)?
Why is it called š©š«šØš š«šš¦š¦ššš„š š¦šØš§šš²? The diagram below shows a typical retail šš°šØ-šš¢šš« CBDC architecture. Tier 1 is the ššš§šš«šš„ ššš§š¤, which is in charge of š¢š¬š¬š®š¢š§š CBDC. Unlike cash, the issuing doesnāt involve printing out money, rather it is just a digital currencies that exist in the central bankās system. Tier 2 is[...]
Blockchain FREE Books for Download
Quāest-ce que la crypto-monnaie ? Histoire et Philosophie
Depuis la mise en place de lāeuro, nous autres EuropĆ©ens, avons pris lāhabitude de partir en vacances Ć lāĆ©tranger sans prendre en compte les taux de change et autres spĆ©cificitĆ©s monĆ©taires locales. Et pourtant, ce nāest pas le cas de tout le monde : partout en dehors de lāEurope, le moindre passage de frontiĆØre entraĆ®ne...
Quāest-ce que la DeFi ou finance dĆ©centralisĆ©e ?
Parmi les diffĆ©rents cas (potentiels) dāutilisation desĀ technologies blockchain. Aujourdāhui nous nous concentrerons sur laĀ DeFi, ou finance dĆ©centralisĆ©eĀ en franƧais, qui commence Ć devenir unĀ Ć©cosystĆØme trĆØs intĆ©ressant, large et complexe. Nous verrons ce qui se cache derriĆØre le terme āFinance dĆ©centralisĆ©eā, les acteurs importants du secteur et les innovations Ć venir. Quāest ce que la finance dĆ©centralisĆ©e...
LocalCryptos.com : acheter vos Crypto-currencies en peer to peer
Ces derniĆØres annĆ©es, les conditions dāutilisation desĀ plateformes dāĆ©changeĀ se sont considĆ©rablement restreintes et il est devenu de plus en plus difficileĀ dāacheter desĀ cryptomonnaiesĀ de maniĆØre simple et anonyme. En effet, ces plateformes qui gĆØrent des monnaies comme lāeuro ou le dollar sont dĆ©sormais soumises aux normes de lutte contre le blanchiment dāargent et du financement du terrorisme imposĆ©es...
Mastering Ethereum: Implement advanced blockchain applications using Ethereum-supported tools, services, and protocols
An expert guide to implementing fast, secure, and scalable decentralized applications that work with thousands of users in real time Key Features ā¢ Implement advanced features of the Ethereum network to build powerful decentralized applications ā¢ Build smart contracts on different domains using the programming techniques of Solidity and Vyper ā¢ Explore the architecture of...
Blockchain Development for Finance Projects [ePub]
Blockchain technology will play a disruptive role in the banking and finance sector in the future. Experts estimate that it will save up to 20 billion dollars annually. You will build full-fledged financial applications using blockchain. It will aid you in building more secure and transparent workflows and re-engineering your business processes. Key Features Implement...
La RĆ©volution Blockchain
Pour beaucoup, la Blockchain est perƧue comme une nouvelle technologie- une de plusĀ ! En rĆ©alitĆ©, son potentiel de rupture est Ć©norme. Le bitcoin, monnaie virtuelle dont la gestion Ć©chappe aux banques centrales et son protocole associĆ©, la Blockchain sont fondĆ©s sur une technologie disruptive des Ć©changes sur un rĆ©seau Ā«Ā indĆ©libileĀ Ā» et en...
Finance FREE Books for Download
10 reasons why Ethereum is on course to breach $10,000
Itās been quite a roller-coaster of a year forĀ Ethereum. When 2021 began, ETH wasĀ valuedĀ at just over $720 on the charts. At the time of writing, however, ETH was trading just under the $4100-level. Thanks to the scale of its performance, many crypto-enthusiasts have presented their own predictions for Ethereumās current rally. āETHĀ is well on its...
Le Bitcoin (BTC) et lāEther (ETH) vont-ils poursuivre leur chute ?
Le Bitcoin (BTC) chute, mais le bas du range tient Cette nuit, un tweet dāElon MuskĀ a fait lāeffet dāune bombe sur le marchĆ© des cryptomonnaies. En effet, leĀ PDG de lāentreprise TeslaĀ a annoncĆ©Ā mettre fin pour le moment Ć la possibilitĆ© dāacheter ses voitures Ć©lectriques via laĀ technologie Bitcoin. Tesla & Bitcoin https://t.co/YSswJmVZhP Quelques minutes aprĆØs cette annonce,Ā le...
Stake Hodler Capitalism: Blockchain and DeFi (Decentralized Finance)
To many of us, understanding the blockchain ecosystem is one of the most significant barriers to entry for DeFi (Decentralized Finance). The terminologies are technical, and that created a mental barrier to many individual and institutional investors. Blockchain is a revolutionary technology that is highly promising to decentralization enthusiasts. Blockchain is a tamper-proof and immutable...
Superfluid Protocol Showcases Money Streaming Protocol
SuperfluidĀ ā a protocol for programmable cashflows ā hasĀ showcasedĀ its smart contract framework for money streaming. 1/X š£ We are incredibly excited to unveil Superfluid Protocol just in time forĀ @ETHGlobal! š Programmable Cashflows will allow you to move any assets on-chain in a stream, without the need for recurring transactions. More details herešĀ https://t.co/1zQQf8pUbI Superfluid protocol is focused...
Soft Skills Books
HBR Emotional Intelligence Ultimate Boxed Set (14 Books) (HBR Emotional Intelligence Series)
Free Download Link Ā How to be human at work. HBR's Emotional Intelligence Series features...
HBR Emotional Intelligence Boxed Set (6 Books) (HBR Emotional Intelligence Series)
Free Download Link How to be human at work. HBR's Emotional Intelligence Series features smart...
HBR 20-Minute Manager Boxed Set (10 Books) (HBR 20-Minute Manager Series)
Youāll get up to speed fast on the most essential business skills with this set of concise...
HBR Guide to Thinking Strategically (HBR Guide Series)
Synopsis The essential guide for managers to learn how to think strategically, focus on the big...