![iMarkup_20211002_215332.jpg](https://cdn.steemitimages.com/DQmRbGcxWr63Pghyz2UkXTEfd9JatBgVVLgsX3c5g1a3jHm/iMarkup_20211002_215332.jpg) *Image made by imarkup*

Hi, great to be part of this episode again. ### QUESTION 1 >Explain in detail the PoH of Solana. Solana is the world's maximum effective blockchain without access. In present day variations of Solana Testnet, a community of two hundred bodily separate nodes continues a consistent throughput of over 50,000 transactions in keeping with 2nd with GPUs. Achieving this calls for the implementation of numerous optimizations and new technologies, and the end result is a leap forward in community capability that alerts a brand new level in blockchain. The Proof of History (PoH) blockchain depends on a cryptographic way to create reliable sequencing of `ledger` transactions / events to solve the timely handshake problem and allows a lot of transactions to be done easily. Proof of History is a delay function that can be tested at high frequency. The delay function under test requires an evaluation of a certain number of consecutive steps, but produces a unique result that can be effectively and publicly tested. Our particular implementation uses a pre-image-tolerant sequential hash that iterates over itself, using the previous output as the next input. Scores and real-time performance are recorded periodically. ##### How it works; ##### This is how Proof of History works: Solana's data structure ties together messages. It creates pictorial proof of the relative order and timing of each message in the historical record. This permits the network to disallow the local clock and gradually take into account all possible network delays as the data structure is delivered and reassembled. In this way, Solana can delay the acknowledgment time, allowing the network to operate as efficiently as a centralized system, without compromising security. However, proof of history is not required for an unauthorized blockchain. There are many Proof of Stake networks built without it. What Proof of History or PoH adds to the Internet is a source of objectivity. This allows network auditors to calculate network health from the registry only. Depending on which validation messages are present in the registry, the validator can decide whether the node is considered active (valid) or down (invalid) and whether the network has obtained enough votes for the registry to be considered valid. Messages should not reach the validator on time. The registry ultimately goes to each validator, and since the messages are part of the registry, PoH provides cryptographic confidence that the messages were generated during validation.The main innovation behind Solana's network is the Proof of History, and exactly what the name suggests is evidence of historical events. Proof of History creates a track record that explains that an event occurred at a specific point in time. While other blockchains require validators to communicate with each other to agree that time is up. This is in contrast to the current blockchain infrastructure standard which relies on sequential block production, which is made difficult by waiting for confirmation on the network before moving forward. ### QUESTION 2. >Explain at least 2 cases of use of Solana. ##### 1. SOLFARM ##### SolFarm is a sales aggregation platform with computerized garage strategies. Leveraging Solana's low-value blockchain transactions, SolFarm permits common linking strategies, permitting LP contributors to maximise APR with out actively managing. Also, SolFarm is a Solana-primarily based totally decentralized profitability aggregator constructed from scratch, the primary of its type within side the Solana ecosystem. The techniques utilized in repositories are designed internally to maximize consumer profitability. Users might be capable of deposit their finances in vaults and take a seat down again even as the vaults do the difficult work. Automatic blending will make sure top of the line yields with powerful harvest times. ##### Why SolFarm? ##### This platform is designed to simplify farming operation for our customers. Solana may be puzzling to new customers, and the intention is to lessen friction and permit customers to without problems generate revenue. A small charge is charged in our vaults and in go back we offer depositors with ideal hobby on their assets. Manual linking (promoting rewards and returning them to an LP pair) may be tedious. How to get a SolFarm tulip? In case you're thinking wherein to shop for SolFarm, the satisfactory exchanges to exchange with SolFarm proper now are FTX, ZT, Gate.io, AEX and Raydium. You can locate others indexed on our cryptocurrency trade page. SolFarm is a Solana-primarily based totally decentralized profitability aggregator constructed from scratch, the primary of its type withinside the Solana ecosystem. ![iMarkup_20211002_162633.jpg](https://cdn.steemitimages.com/DQmQ87fdDHo5LFABm3T6wcSGoWdjx2HKezrn6iJX6YExvwZ/iMarkup_20211002_162633.jpg) ![iMarkup_20211002_162803.jpg](https://cdn.steemitimages.com/DQmfK6e6C1UggqDPKcey7BGC1QEyX8q5GvJ6oWT7q5TJoKT/iMarkup_20211002_162803.jpg) ##### 2. RAYDIUM ##### Raydium is an Automated Market Maker (AMM) and liquidity company constructed at the Solana blockchain for Serum Decentralized Exchange (DEX). ... Unlike different AMMs, Raydium affords chain liquidity to the imperative restrict order book, which means Raydium LP receives get entry to to the whole order float and liquidity of the Serum. Raydium is an Automatic Market Maker (AMM) and liquidity company constructed at the Solana blockchain. Unlike different AMMs, Raydium gives chain liquidity to the valuable restriction order e-e book this means that the swimming pools have get entry to to all order glide and liquidity within side the Serum. The protocol has already attracted a number of attention, these days breaking thru the TVL (Total Value Locked) marketplace really well worth seven hundred million dollars. Raydium has additionally released one in all its projects, Fusion Pools, which gives double-fee rewards to each liquidity carriers and contributors. ##### The Ray token ##### The platform has its very own token, like different coins, you could additionally do that one and you could purchase and promote it, you could hold it in case you want, you could alternate this coin and so on. one of the coin. ![iMarkup_20211002_162916.jpg](https://cdn.steemitimages.com/DQmWN9U5LqTMjSCo2YSdfJuBqN9DaybAq882bYNZTjSZDXz/iMarkup_20211002_162916.jpg) ![iMarkup_20211002_163050.jpg](https://cdn.steemitimages.com/DQmet8TfhLHWAUwbsy8HQXBaSjyNgAc7swcAUQhAD2xr92Y/iMarkup_20211002_163050.jpg) ### QUESTION 3 >Detail and explain the SOLA token. The SOL token is the local foreign money of the Solana ecosystem. The token may be transferred to nodes inside the Solana cluster to run chain applications or to validate their output. Another use of SOL is to make micropayments referred to as lamports. The quantity of SOL presently in move is 26 million. Sola Token (SOL) is a cryptocurrency powered through the Ethereum platform. The present day deliver of Sola tokens is 127,864,775, of which 28,948,936.515258 are in circulation. The remaining acknowledged fee of Sola Token is $ 0.00057061, up 0.00 with inside the remaining 24 hours ![iMarkup_20211002_163323.jpg](https://cdn.steemitimages.com/DQmZoFam1p5PZgDtzXqpc56ig3AijD8AjWePeEzuJMbWFcV/iMarkup_20211002_163323.jpg) ### QUESTION 4 >When did Solana Blockchain see its operations managerinterrupted? Why? Explain I will attempt this question base on my research and understanding on the recent trend. Solana, in a way, became a sufferer of her very own success. The coin has lengthy been traded for pennies. Earlier this year, the SOL coin fell to the $ 1 range. It took till early September for charges to upward push above $ 200, consistent with CoinMarketCap.com. Proponents praised the claimed velocity and decrease value of transactions at the blockchain, in addition to its capacity to guide high-frequency buying and selling techniques in comparison to different blockchains. ### QUESTION 5 >Check the last block generated in Solana and make an approximate calculation of How many blocks per second have been generated in Solana, taking into account from the initial block to the current one? Justify your answer and show screenshots. ##### BLOCK EXPLORER ##### Solana has a block explorer in which we can discover the records of each generated block. There we have the date the block was generated, plus some other records associated with the given block. In addition to circulating supply and energetic participation, the SOL rate could also be seen on its national website. ![iMarkup_20211002_231537.jpg](https://cdn.steemitimages.com/DQmR18KE2oEqaTVMTs371Yv9He6G2u7zhvyeo7nAjTSLJyD/iMarkup_20211002_231537.jpg) ![iMarkup_20211002_231335.jpg](https://cdn.steemitimages.com/DQmZ7wM2BxUbFynmsH2hMyGubw91TrEnsUvhdpocMoFQywU/iMarkup_20211002_231335.jpg) ### CONCLUSION Thanks for being part of this edition. Best Regards @charis20