SASEUL timeline

Things that happened around SASEUL, in date order. Each line says where it came from. News articles and project descriptions can be the company's own claims, so check the source type too.

  1. Official

    SASEUL mainnet starts (UTC; May 17 in Korea time)

    CoinMarketCap

  2. News article

    Articles announce the mainnet with "1,000 times faster than Bitcoin" in the headline. They don't say what was compared

    전자신문

  3. Official

    Official explorer records show only two resource blocks added in about 73 hours, from 6:34 a.m. July 3 (block #72,762) to 7:55 a.m. July 6 (#72,764), Korea time. No notice announced a stop, and the reason is unknown. 9:00 a.m. July 6 was the 2.0.6 hard fork time (notice #6)

    explorer.saseul.com

  4. Official

    Last update to the whitepaper repository on the official GitHub

    GitHub

  5. News article

    About 30 nodes (the January figure, as reported in a May 2023 article)

    이슈앤비즈

  6. News article

    End of April: about 600 nodes in total, about 250 that had mined successfully. The article calls it "third" after Bitcoin and Ethereum among mainnets anyone can install

    이슈앤비즈

  7. News article

    1,100 nodes that had mined successfully

    Korea IT Times

  8. News article

    ArtiFriends and Seoul Labs sign an MOU; Seoul Labs becomes a strategic partner for the SASEUL ecosystem. The same article quotes "over 5,000 nodes, third-largest"

    블록체인투데이

  9. News article

    According to a news article, 한국가상자산평가인증원 (Korea Virtual Asset Evaluation & Certification) gave SASEUL an E grade (the article says it grades from A to E. The grading criteria couldn't be confirmed from public sources; on 2026-09-27 its website didn't open because of a security certificate error)

    아시아투데이

  10. News article

    Article: Seoul Labs steps up work on the SASEUL ecosystem; mentions "over 16,000 nodes"

    서울신문

  11. News article

    The figure "over 20,000 nodes, more than Bitcoin and Ethereum" appears in a news article (dated Nov 15)

    이로운넷

  12. Community

    Ddengle mining forum question post and replies (February 25, 2024): "hard for individuals, you need a dedicated line," "can't find a 7950X (CPU) because of SASEUL coin," and so on. The poster wrote a worry that the place an acquaintance gave money to was operating like MLM. It doesn't say which company, and it is an unconfirmed personal opinion

    땡글

  13. Community

    Forum post mentions "7950X (CPU) for SASEUL coin" listings on a used-goods board, and a forum post asking why it can't get listed on Korean exchanges (the 7950X link is a forum claim)

    땡글

  14. News article

    Smart Slabs and ArtiFriends sign an MOU. The article describes SASEUL as proof-of-work mining "done with CPUs," 5.5 billion coins over 100 years (article dated Mar 29)

    산경e뉴스

  15. Community

    Replies to a Clien post (May 12, 2024): a memory that "there used to be no explorer" and talk of the grade E. One reply gave the opinion that it seemed like MLM, citing too little public information and technical explanation. No specific company or person is named, and it is an unconfirmed personal opinion

    클리앙

  16. Official

    In the official 2nd-anniversary notice (#57), the SASEUL team announces "approximately 20,000 nodes running" (posted 11:13 p.m. Korea time)

    사슬 텔레그램

  17. News article

    Article: Smart Slabs, described as a SASEUL community, held a "SASEUL listing roadmap briefing" with a fan club on June 22 and said it would pursue an overseas exchange listing (no exchange or date given)

    산경e뉴스

  18. News article

    Seoul Labs launches Xphere 2.0, its own mainnet project. Xphere is a different blockchain from SASEUL (coin XP)

    인천일보

  19. Official

    SL listed on the overseas exchange BitMart (official SASEUL notice of May 8)

    사슬 텔레그램

  20. Official

    Notice: fixed a bug that kept live nodes from showing correctly on the official explorer

    사슬 텔레그램

  21. Official

    Warning notice: many people lost money due to misinformation and hype around the upcoming hard fork

    사슬 텔레그램

  22. Official

    First hard-fork update released, rolled out in stages; legacy nodes won't be compatible once all stages are done

    사슬 텔레그램

  23. News article

    Lottery company WINDYPLAN and ArtiFriends sign an MOU on a blockchain-based online lottery game platform, including a mainnet based on random number generation and a stablecoin-based lottery platform (article dated Apr 29)

    중앙일보

  24. Official

    Main block generation outage (from about 7:32 PM Korea time); the team deployed extra mining nodes and released v2.2.0.4 early the next morning (Korea time)

    사슬 텔레그램

  25. Official

    Notice #80: official wallet app Guardee overhaul completed; the follow-up post #81 at the same time says BTC and ETH support was discontinued

    사슬 텔레그램

  26. Exchange notice

    BitMart starts winding down operations and stops deposits and new sign-ups

    BitMart

  27. Official

    v2.2.0.5 stability patch, expected to be the last of the 2.2 line; focus moves to the 2.3 hard fork

    사슬 텔레그램

  28. Exchange notice

    BitMart halts all trading (full shutdown planned for Jan 31, 2027, 15:59 UTC, which is 00:59 on Feb 1 in Korea)

    BitMart

  29. Official

    Official X post: ArtiFriends took part in APLA 2026 (Grand Walkerhill Seoul, Sep 1-4) as the blockchain technology partner of lottery company WINDYPLAN, showing the "RNG Alliance," verifiable randomness running on SASEUL. No mention of how it relates to SASEUL coin (SL)

    사슬 공식 X

  30. This blog's record

    The miner's Pool tab shows about 9,875 GH/s for the whole network

    사슬 블로그

  31. Official

    Official notice lists three mining pools (saseulpool.com, saseulmine.com, rabbitminer.cc); none affiliated, no guarantee of trustworthiness

    사슬 텔레그램

  32. This blog's record

    Official explorer shows 46 / 63 nodes (mining / synced); pool page shows about 6.67 TH/s for the whole network

    explorer.saseul.com