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SASEUL (SL) Quiz, Five Levels to Test What You Know

You can start at the first level even if you've never heard of blockchain. Each level has 10 questions, and you pass with 8 or more right. Get one wrong and you'll see the explanation and the source right away.

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Show all questions and answers

Beginner

  1. In a blockchain, what's a 'block' most like?

    Answer: One page of a record book listing transactions. A block is a unit that bundles transactions into one record. Think of it as one page of a record book.

  2. What's the name of SASEUL's official wallet app?

    Answer: Guardee. SASEUL and its official wallet Guardee were made by ArtiFriends. ZIGAP is a different wallet made by Seoul Labs.

  3. How should you handle your wallet's private key?

    Answer: Keep it to yourself and never enter it anywhere. The miner only needs your wallet address. Don't use any mining program that asks for your private key.

  4. What's crypto 'mining,' in plain words?

    Answer: Getting coins for finding an answer first by computer. Whoever does lots of calculating and finds the answer first gets the coins. It's like scratching more lottery tickets to raise your odds of winning.

  5. What's the short name of SASEUL's coin?

    Answer: SL. SASEUL's coin is SL. LINK is Chainlink's coin, and XP is Xphere's.

  6. Is '사슬코인' (saseul coin) the same coin as Chainlink (LINK)?

    Answer: No, they're two different coins. SASEUL is SL and Chainlink is LINK, so they're different coins. '사슬' (saseul) is the Korean word for 'chain,' so translators and AI often get it wrong.

  7. Who made SASEUL?

    Answer: ArtiFriends, a Korean company. SASEUL is a blockchain made by ArtiFriends Inc., a Korean company.

  8. What's a simple way to picture a 'wallet address'?

    Answer: An account number for receiving coins. A wallet address is like an account number for receiving coins. The password that opens your wallet is the private key, and you should never give that to anyone.

  9. What is the SASEUL 'explorer' (explorer.saseul.com)?

    Answer: A site where anyone can view SASEUL's record book. Anyone can look at SASEUL's record book on the explorer. Enter a wallet address and you can also see what came in.

  10. Who holds a blockchain's record book?

    Answer: Many computers each hold an identical copy. No single bank holds the record book. Each computer that keeps a copy of it is called a node.

Intermediate

  1. How does proof of work (PoW) work?

    Answer: The first to find the answer by calculating gets coins. Proof of work is a calculating race. It's usually called mining, and the more you calculate, the more power it uses.

  2. How does proof of stake (PoS) work?

    Answer: The right to record goes by how many coins you lock up. Proof of stake goes by the coins you've locked up instead of a calculating race. So there's no mining.

  3. When did Ethereum end proof of work with 'The Merge'?

    Answer: September 15, 2022. Ethereum ended proof of work with The Merge on September 15, 2022. There's been no Ethereum mining since then.

  4. According to Bitcoin's official FAQ, what is Bitcoin mainly mined with?

    Answer: Special mining machines. The FAQ says Bitcoin is mined with specialized hardware. It's not a coin you mine on an ordinary home computer.

  5. What does hashrate (calculating speed) count?

    Answer: How many guesses a graphics card makes per second. Mining means trying number after number until one works. Count those tries per second and you get the hashrate.

  6. Which of these hashrates is the fastest?

    Answer: 1 TH/s. The units grow in this order: kH/s (1,000) → MH/s (1 million) → GH/s (1 billion) → TH/s (1 trillion).

  7. What is a mining 'pool'?

    Answer: A group that finds blocks together and splits by work. It's like a lottery ticket that takes ages to win alone, so many people scratch together and split the prize. You get small amounts, but often.

  8. In pool mining, what is a 'share'?

    Answer: A result you sent to the pool (your work answer). The pool pays out by accepted shares. Rejected shares don't count.

  9. What do you call it when a pool splits its rewards and sends each person a part by how much they calculated?

    Answer: Payout. Sending out each person's part is called a payout. SASEUL Mining Pool (saseulmine.com) says it pays out once a day.

  10. If you mine alone with one graphics card and no pool, what can happen?

    Answer: If you find no block, you may get 0 for weeks. Using numbers from September 27, 2026, one card at about 860 MH/s finds a block about every 6 days on average. That's only an average, so with bad luck you can get 0 for weeks.

Advanced

  1. Which company's graphics cards does the SASEUL miner (mining program) run on?

    Answer: NVIDIA. The miner uses NVIDIA's CUDA, so it only works on NVIDIA cards. You can't mine with AMD or Intel graphics.

  2. Which CUDA should you install on a GTX 10 series card (1060, 1070, 1080, etc.)?

    Answer: 12.x only. Starting with CUDA 13, older generations like Pascal were dropped. The GTX 10 series is Pascal, so you need 12.x.

  3. To use CUDA 12.x on Windows, what's the minimum driver number?

    Answer: 527.41 or higher. NVIDIA's release notes list 527.41 as the Windows driver for CUDA 12.0, the lowest 12.x version (525.60.13 on Linux). Check the CUDA Version in nvidia-smi before you install.

  4. What's the minimum driver number for CUDA 13.x?

    Answer: 580 or higher. CUDA 13.x needs driver 580 or higher on both Windows and Linux.

  5. What does the 'CUDA Version' on the top line of nvidia-smi mean?

    Answer: The highest CUDA version this driver can run. It's not the CUDA you've installed, but the highest version this driver supports. The CUDA you install should be the same or lower. If it's higher, it won't run.

  6. Where does the miner point out missing programs and even show download links?

    Answer: The System tab in the miner's window version. The System tab shows six lines of what mining needs, like the driver, CUDA runtime and NVRTC. All six have to show as present before you can mine. In the typed-command version, use miner check.

  7. In what order should you install the driver and CUDA?

    Answer: The driver first, then a CUDA version that fits. Update the driver first, then install a CUDA version the same as or lower than the CUDA Version at the top of nvidia-smi. CUDA doesn't come with the miner, so you install it separately.

  8. Of the three pools, which one says 'no requirement, one card is enough' to join?

    Answer: saseulmine.com. The one that sets no join requirement and says one card is enough is saseulmine.com (SASEUL Mining Pool). rabbitminer.cc doesn't state any requirement. Payouts are once a day.

  9. What join requirement does the saseulpool.com front page state?

    Answer: 100 GH/s or more. The saseulpool.com front page says 'Min 100 GH/s to join'. That's what it said on September 27, 2026, so it may change. Payouts are every 6 hours.

  10. What do the three pools in SASEUL's official notice of September 15, 2026 have in common?

    Answer: All three are marked as not officially tied. The notice listed saseulpool.com, saseulmine.com and rabbitminer.cc, and said there's no official tie and it doesn't vouch for whether they're reliable.

Expert

  1. On SASEUL, which chain does mining (proof of work) happen on?

    Answer: Resource chain. SASEUL is split into two chains. The resource chain uses proof of work that anyone can join, and the main chain handles transactions.

  2. What's the name of the in-house consensus method SASEUL's main chain uses to process transactions?

    Answer: HAP-2. According to the project description, the main chain processes transactions with its own consensus method, HAP-2. Proof of work is on the resource chain side.

  3. According to the project description, how many validator seats must sign for a SASEUL block to be valid?

    Answer: 6 or more of 9 seats. Validators are seats that check and sign transactions. It's 9 seats, not 9 people, so on September 27, 2026 the explorer had some addresses in two seats each, for 7 different addresses.

  4. According to the project description, what does the resource chain pick?

    Answer: Validators. The resource chain runs on proof of work, and this is where it picks validators (participants who check and sign transactions).

  5. What finality time do SASEUL's official docs (docs.saseul.com overview, updated March 9, 2026) give?

    Answer: 6 to 8 seconds. The official docs say transactions are final in 6 to 8 seconds. The CoinMarketCap project description says about 4 seconds to process and about 600 seconds to set, so it differs by source.

  6. According to the CoinMarketCap project description, when does a SASEUL transaction set so it can't be undone?

    Answer: After 10 resource blocks (about 600 seconds). In the project description, processing (about 4 seconds) and setting (about 600 seconds) are separate steps. The official docs (updated March 9, 2026) say it's final in 6 to 8 seconds, so it differs by source.

  7. What's the maximum supply of SASEUL (SL)?

    Answer: 5.5 billion SL. The maximum is 5.5 billion SL. 3.4 billion SL is the circulating amount listed on CoinMarketCap, and it's a number the project reported itself.

  8. According to the project description, what happens to new SASEUL issuance each year?

    Answer: It shrinks to 27/32 yearly, halving in about 4 years. The project description says it shrinks to 27/32 each year, halving roughly every 4 years. In practice it drops not on a date but each time refined resource reaches 1 billion. That's a bit different from the official FAQ's 'about 15.9%'.

  9. In UTC, when did the SASEUL mainnet (the live network) launch?

    Answer: May 16, 2022. The SASEUL mainnet has been running since May 16, 2022 (UTC).

  10. Korean news articles give the mainnet launch date as May 17. Why?

    Answer: It's the 17th in Korea time (the same day). The 16th in UTC was already the 17th in Korea time (UTC+9). Both dates mean the same day.

Master

  1. Where did the figure '20,000 SASEUL nodes' first appear?

    Answer: A November 2023 news article. 20,000 first appeared in a November 15, 2023 article, and the SASEUL team also said about 20,000 in an official notice (#57) on May 16, 2024. On September 27, 2026, the official explorer showed 74.

  2. In the '46 / 63' shown in the Nodes box on the official explorer on September 23, 2026, what is 63?

    Answer: Nodes with an up-to-date ledger (Synced Node). The question-mark note shows the first number, 46, is Active Miner (mining), and the second, 63, is Synced Node (nodes in sync).

  3. What did checking the claim 'SASEUL is 1000 times faster than Bitcoin' show?

    Answer: A 2022 article gave no measured basis. The article didn't say what was compared or how it was measured. Using the project description's numbers, it's about 6 to 150 times, depending on the measure. Compare with the official docs' 6 to 8 seconds to final and it changes again.

  4. If SASEUL processes in about 4 seconds and a Bitcoin block averages about 10 minutes, how many times faster is SASEUL?

    Answer: About 150x. 600 seconds divided by 4 seconds is about 150x. Compare the time until a record sets for good (about 600 seconds vs about 1 hour) and it's about 6x. As of September 27, 2026, no basis for 1000x could be found.

  5. Who made Xphere (coin XP) and the ZIGAP wallet?

    Answer: Seoul Labs. SASEUL and Guardee were made by ArtiFriends, and Xphere and ZIGAP by Seoul Labs. Xphere is a different blockchain from SASEUL.

  6. How are Seoul Labs and ArtiFriends related?

    Answer: Separate companies with a 2023 business deal. Seoul Labs is a company that signed a business agreement with ArtiFriends in 2023. I couldn't confirm whether they still work together. They're not the same company.

  7. Which exchange listing of SASEUL do official notices confirm, and what happened after?

    Answer: BitMart. It stopped all trading from August 26, 2026. SL was listed on BitMart in May 2025. BitMart stopped all trading from August 26, 2026, and there's been no official announcement of any other listing since.

  8. As of September 23, 2026, what couldn't be found on SASEUL's official GitHub?

    Answer: The node's own source code. The official GitHub has docs, JS developer tools, smart contract examples and a white paper. The node's own code couldn't be found.

  9. What part is used to mine SL in pools today?

    Answer: An NVIDIA graphics card. Mining with hard drives is how a 2023 article described it. Hard drives are used to store the record book, and the project description says that work is rewarded separately.

  10. Is SASEUL Mining Pool (saseulmine.com) an official SASEUL pool?

    Answer: No. The site says it's an unofficial pool. The top of the site says 'UNOFFICIAL COMMUNITY POOL'. The official notice also said none of the three pools has an official tie.