How Are SASEUL, Xphere, Seoul Labs and ZIGAP Related? Xphere and ZIGAP Were Made by Seoul Labs
SASEUL myth check, part 7
SASEUL and Guardee were made by Artifriends, Xphere and ZIGAP by Seoul Labs
Easy to mix up
“Xphere and ZIGAP were made by Artifriends too”
Checked against public sources
That's wrong
- SASEUL, Guardee: Artifriends
- Xphere, ZIGAP: Seoul Labs
- Seoul Labs: 2023 MOU
No, Xphere and ZIGAP weren't made by Artifriends. When SASEUL comes up, the names Xphere, Seoul Labs and ZIGAP often come up with it, so they are easy to mix up.
Public sources say that's wrong.
SASEUL and its official wallet (an app to receive and send coins) Guardee were made by Artifriends. Xphere is a different blockchain (a transaction record book shared across many computers) from SASEUL. ZIGAP is a wallet app.
Those two were made by Seoul Labs. Seoul Labs is a company that signed a cooperation agreement (a promise to work together) with Artifriends in 2023. I couldn't confirm whether they're still working together.
What does it look like at a glance?
| Name | What it is | Who made it | Relation to SASEUL |
|---|---|---|---|
| SASEUL (coin SL) | Blockchain | Artifriends | SASEUL itself |
| Guardee | Wallet app | Artifriends | Official SASEUL wallet |
| Seoul Labs | Company | A different company from Artifriends | Company that signed a cooperation agreement with Artifriends in 2023. Not confirmed whether they still work together |
| Xphere (XPHERE, coin XP) | A blockchain separate from SASEUL | Started by Seoul Labs. Now said to be run by the XPHERE Foundation | A blockchain separate from SASEUL |
| ZIGAP | Wallet app | Seoul Labs | A multi-coin wallet that can also hold SASEUL coins. The wallet Xphere presents as its official partner |
| 스마트슬랩스 (Smart S Labs) | Company. A news article calls it a blockchain and digital content company | A different company from Artifriends | Signed a cooperation agreement with Artifriends in March 2024. A June 2024 article describes it as a SASEUL user group (community) |
Who made SASEUL and Guardee?
SASEUL was made by Artifriends. A 2023 Blockchain Today article (a Korean news site) calls it "Artifriends, which develops and runs SASEUL."
The official SASEUL wallet app is Guardee. The profile on the official SASEUL GitHub (a site where programmers post their code) links guardee.io as the wallet. The maker name on Guardee in the App Store is "Artifriends" too.
What kind of company is Seoul Labs?
A different company from Artifriends. In September 2023 it signed a cooperation agreement (MOU) with Artifriends. With that, it's said to have become a "strategic partner" of SASEUL.
The same article says what it does. It supports companies that want to use SASEUL with technology. It also runs SASEUL events and user groups, and builds apps that run on SASEUL, the article says.
Two months later, a Seoul Shinmun article (a Korean newspaper) also says Seoul Labs works on expanding where SASEUL is used. This article separately calls Artifriends "Artifriends, which developed the SASEUL blockchain."
Is Xphere SASEUL?
No. Xphere (XPHERE) is a different blockchain from SASEUL. Its coin is called XP.
A February 2025 Incheon Ilbo article (a Korean newspaper) says Seoul Labs launched Xphere 2.0. It's described as an upgraded version of "the mainnet project Xphere." A mainnet is a blockchain running for real after testing ends.
Today, the official Xphere site names the operator as "XPHERE Foundation."
Is ZIGAP a SASEUL app?
It isn't an official SASEUL app. ZIGAP is a wallet app made by Seoul Labs.
- On ZIGAP in the App Store, the maker name is "Seoullabs Inc." and the provider is "(주)서울랩스" (Seoul Labs Inc. in Korean)
- The app description lists Xphere, SASEUL, Ethereum and Binance as the coin record books it handles. That means it's a multi-coin wallet that can also hold SASEUL coins
- The bottom of the ZIGAP site says "Powered by SeoulLabs." There's also a coin (token) of the app's own, $ZIGAP
- The official Xphere site presents ZIGAP as its "official partner wallet"
Why is this so confusing?
No reason has been confirmed, but a few come to mind.
Seoul Labs is a company that signed a cooperation agreement with Artifriends in 2023. At the same time, it made its own blockchain (Xphere) and wallet (ZIGAP). So their names show up together in the same articles and at the same events.
ZIGAP also handles both SASEUL and Xphere. The two coins show up side by side in one app.
The two blockchains also describe themselves in similar ways.
- Xphere: the official site says it uses two chains (record book strands): a proof of work (winning the right to write the record book by doing lots of calculating) chain and a fast main chain. It says up to 5.5 billion coins will ever be issued
- SASEUL: it also uses two chains. It has been described as being mined for 100 years up to 5.5 billion coins (Sankyung e-News, March 2024)
An article on the Xphere launch also described Xphere as a mainnet developed from SASEUL technology. A March 27, 2024 Widedaily article (Korean) covers the launch announcement by FOB Lab, a joint venture Seoul Labs set up in Thailand.
The article says Xphere is a mainnet project that developed "the existing SASEUL blockchain technology" further. The FOB Lab CEO said Xphere would be a way to bring SASEUL (SL) assets, users and investors over to the Xphere side. He also said they wanted to build "a structure where SASEUL and Xphere circulate into each other."
How much of SASEUL's program Xphere's program reuses is unknown, because the code hasn't been compared.
What should miners keep in mind?
- The default wallet for receiving mined SASEUL coins (SL) is the official SASEUL wallet, Guardee. The mining program's instructions also say to make an address at guardee.io
- ZIGAP can handle SASEUL coins too. But it's an app made by Seoul Labs, not the SASEUL team
- SL and XP are different coins. Xphere and ZIGAP news is separate from SASEUL (SL). At events or in ads, check which coin they're about
What did the check find?
Easy to mix up: "Xphere and ZIGAP were made by Artifriends too."
What checks out now: SASEUL and Guardee were made by Artifriends. Xphere is a different blockchain launched by Seoul Labs. ZIGAP is a wallet app made by Seoul Labs.
Seoul Labs is a company that signed a cooperation agreement with Artifriends in 2023. I couldn't confirm whether they're still working together.
Sources
- Blockchain Today · "아티프렌즈·서울랩스, MOU 체결… 3세대 블록체인 사슬 생태계 이끈다" ("Artifriends and Seoul Labs sign MOU to lead the ecosystem of third-generation blockchain SASEUL") · 2023-09-20
- Seoul Shinmun · "서울랩스, 사슬 블록체인 생태계 조성 본격화" ("Seoul Labs steps up building the SASEUL blockchain ecosystem") · 2023-11-13
- Widedaily · "서울랩스, 태국 현지서 합작 법인 FOB Lab 출범 발표 및 새로운 프로젝트 ‘엑스피어’ 출시" (Korean; the Xphere launch announcement) · 2024-03-27
- Sankyung e-News · 2024-03-29
- Sankyung e-News · "'사슬 블록체인' 전문기업 스마트슬랩스, 해외 상장 추진" (Korean; calls Smart S Labs a community) · 2024-06-24
- Incheon Ilbo · "메인넷 업그레이드…'엑스피어(Xphere) 2.0' 출범" ("Mainnet upgrade... 'Xphere 2.0' launched") · 2025-02-19
- App Store · Guardee · checked 2026-09-24
- App Store · ZIGAP · checked 2026-09-24
- Official Xphere site, x-phere.com · checked 2026-09-24
- ZIGAP site, about.zigap.io · checked 2026-09-24
Previous: Is SASEUL a Scam or a Pyramid Scheme? · This is the last of the seven myth checks. Other checks are in the archive (a collection of past records).