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Bitcoin: A Peer-to-Peer Electronic Cash System Satoshi Nakamoto satoshin@gmx.com Abstract. A purely peer-to-peer version of electronic cash would allow online payments to be sent directly from one party to another without going through a financial institution. Digital signatures provide part of the solution, but the main benefits are lost if a trusted third party is still required to prevent double-spending. We propose a solution to the double-spending problem using a peer-to-peer network. The network timestamps transactions by hashing them into an ongoing chain of hash-based proof-of-work, forming a record that cannot be changed without redoing the proof-of-work. The longest chain not only serves as proof of the sequence of events witnessed, but proof that it came from the largest pool of CPU power. As long as a majority of CPU power is controlled by nodes that are not cooperating to attack the network, they'll generate the longest chain and outpace attackers. The network itself requires minimal structure. Messages are broadcast on a best effort basis, and nodes can leave and rejoin the network at will, accepting the longest proof-of-work chain as proof of what happened while they were gone.Ag T F B l

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What Is PolkaFoundry (PKF)?PolkaFoundry is a platform for building DeFi dapps for the Polkadot ecosystem. It includes:A blockchain which is built on Substrate, is EVM-compatible, and supports several UX-enabling features for dApps. The blockchain will work as a Polkadot parachain or parathread.A bunch of DeFi-friendly services for dapp builders. These include both built-in services and integration with external ones.Who is behind PolkaFoundry?PolkaFoundry was founded back in 2018 by Thi Truong, who was then a key member of Kyber Network's core team.The PolkaFoundry team now consists of 20+ members located in several countries including Singapore, Vietnam, Japan, Canada, and India.Advisory board includes the DuckDAO leaders; Garlam Won who is behind the marketing of Harmony, Mantra DAO, Kylin; and Lester Lim - founder of X21 Digital.Who is backing PolkaFoundry?PolkaFoundry has completed a $1.9M Private Sale Round, backed by DuckDAO, Signum Capital, Master Ventures, AU21 Capital, BlockDream Fund, Magnus Capital, X21 Digital, Rarestone Capital, PNYX Ventrues, and several other renown ventures.What Makes PolkaFoundry Unique?Leveraging the interoperability and scalability of the Substrate framework and the growing ecosystem of PolkadotEVM compatible, strait-forward to migrate DeFi dapps from EthereumCome with DeFi-friendly servicesBuilt-in UX-enabling features which allow developers to build frictionless-UX so that dapps can approach normal people outside the crypto community. This is the key point for blockchain to reach mass adoption.What is the Tokenomics of PolkaFoundry (PKF) Tokens?Token Name: PolkaFoundryToken Symbol: PKFTotal Supply: 200,000,000PKF token is an Ethereum's ERC-20 token. In the future, when PolkaFoundry blockchain launches the mainnet, PKF token holders can swap ERC-20 PKF token for native PKF coin at the rate of 1 for 1.Token Utility:Payment for transaction feesStaking for collators to earn share of block rewardsStaking to participate in the on-chain governance process and earn rewards for voting on proposalsPayment for PolkaFoundry & partners' servicesPf V Analise McKisson juniorL H U

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BM d E-portfolios, also referred to as e-folios, are collections of student work stored in digital format (Canada, 2002). E-portfolios provide “a means of collecting and maintaining evidence for assessment online” (Fee, 2009, p. 183). They often have a reflection aspect, similar to blogging, and can include podcasts. Thus, within e-portfolios is a convergence among several types of social networking media (Mason et al., 2008). J X w

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mO OAlmost everyone should forget about making money directly from blogging. It’s so unlikely that it’s a total waste of your time trying. I am actually shocked at how ubiquitous the idea is that blogging is a get-rich-quick scheme. Or even a get-rich-slowly scheme. It’s not. Blogging is a great career tool for creating opportunities for yourself. But here are eight reasons you should stop thinking about money from blogging:k K y

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