Audit log

Every state-changing event for IO Builders: moderation decisions on community submissions, plus corrections and updates from the news pipeline. URL-based decisions are designed to carry three independent witnesses — the original source, an Internet Archive snapshot, and a Solana memo signed by our publicly-disclosed publisher key. Archive coverage is still being backfilled, so each decision below reports its own snapshot status rather than assuming one exists.

1. #1publishby system:backfill

   2026-11-06 04:18:19Z
   Score: ? → ? (no score change)
   anchoranchored

   chain

   ●mainnet-betaslot 465,972,005

   sig

   4i2pY2qRBGDo…emrKoPsocopyexplorer ↗

   hash

   2XC3G6w3ub9y…DDrnPcbZcopysha256 → base58

   verifying row…full verify ↗

   canonical bytes (9827 B) ▸

   {"actor":"system:backfill","investigation_id":"be7a75e4-44dc-4686-a703-3886dbc83b13","kind":"publish","page_slug":"io-builders","published_at":"2026-11-06T04:18:19.022Z","sequence_num":1,"snapshot":{"content_type":"investigation","entity_name":"IO Builders","sections":[{"content":"ioBuilders describes itself as a company building tokenization infrastructure for regulated finance, including tools for issuing and managing tokenized securities, credit instruments (bonds, shares, funds, loans), and digital cash instruments such as deposit tokens and stablecoins. Its flagship platform, Asseto, supports multi-chain issuance and management of digital assets. According to a Hedera-published case study, ioBuilders reports having served 30+ organizations and delivered 50+ bespoke projects across sectors including corporate and investment banking. These figures are self-reported by the company via a partner's promotional case study and have not been independently verified. The company has been described in secondary sources as founded in 2018, operating from Madrid, London, and Singapore.","heading":"Business Overview and Products","severity":"low","sources":[{"credibility":2,"name":"ioBuilders case study - Hedera","type":"official","url":"https://hedera.com/case-study/iobuilders/"},{"credibility":2,"name":"American Banker on-chain coverage","type":"news_article","url":"https://on-chain.americanbanker.com/?p=1769"},{"credibility":2,"name":"ioBuilders tokenisation platform available via Hashgraph - Funds Europe","type":"news_article","url":"https://funds-europe.com/iobuilders-tokenisation-platform-available-via-hashgraph/"}]},{"content":"Public sources, including a LinkedIn-sourced listing, identify Carlos Matilla Sanz as CEO of ioBuilders, alongside Iván Saiz de Castro (CTO), Jorge Antolinez Ruiz (CBO), Rafael Ruiz-Gallardón López-Monís (Chief of Staff), and Eduardo Bastida (Senior Business & Strategy Advisor). No adverse findings concerning any of these individuals were located in available sources; any mention of named individuals elsewhere in connection with this company should be treated as unverified absent further sourcing.","heading":"Leadership","severity":"low","sources":[{"credibility":3,"name":"Javier Cervera Rodríguez-Arias LinkedIn (lists ioBuilders leadership)","type":"social_media","url":"https://es.linkedin.com/in/fjcra"}]},{"content":"ioBuilders is listed as a co-developer, alongside Hedera, Swirlds Labs, and The HBAR Foundation, of Stablecoin Studio, an open-source SDK released under an Apache 2.0 license for building stablecoin applications on the Hedera network. The company also co-developed an Asset Tokenization Studio with Hedera. Separately, ioBuilders is named as a co-founder, with Grupo Lar and Renta 4 Banco, of OpenBrick, a tokenized real-estate securities platform in Spain; OpenBrick later received investment from Swiss financial infrastructure operator SIX, with additional strategic partners including BME and Garrigues. These partnerships indicate active commercial relationships with established financial and technology firms, though descriptions of scope and impact come primarily from the partners' own press materials.","heading":"Partnerships and Industry Projects","severity":"low","sources":[{"credibility":2,"name":"Stablecoin Studio launch announcement - Hedera","type":"official","url":"https://hedera.com/blog/stablecoin-studio-an-open-source-sdk-now-available-on-the-hedera-network-enabling-any-organization-to-easily-build-stablecoin-applications"},{"credibility":2,"name":"SIX Invests in OpenBrick, a Platform of Tokenized Securities for Real Estate Projects in Spain","type":"news_article","url":"https://www.crowdfundinsider.com/2024/11/233499-six-invests-in-openbrick-a-platform-of-tokenized-securities-for-real-estate-projects-in-spain/"},{"credibility":2,"name":"SIX invests in Spanish tokenized real estate platform OpenBrick - Finextra","type":"news_article","url":"https://www.finextra.com/pressarticle/103390/six-invests-in-spanish-tokenized-real-estate-platform-openbrick"}]},{"content":"A secondary trade-press article reports that ioBuilders merged with Adhara, another blockchain-focused firm, in mid-2025, and a company-financials aggregator lists a merger-type transaction involving Adhara dated around June 2025, giving ioBuilders' listed location as the United Kingdom. Neither a primary company announcement nor a regulatory filing confirming the terms or structure of this merger was located, so this should be treated as a reported but not independently confirmed corporate event.","heading":"Corporate Structure","severity":"low","sources":[{"credibility":3,"name":"Hashgraph, Asseto tokenization platform, HashSphere, Hedera - Genfinity","type":"news_article","url":"https://genfinity.io/2026/06/03/hashgraph-asseto-tokenization-platform-hashsphere-hedera/"},{"credibility":3,"name":"CB Insights - ioBuilders financials","type":"research","url":"https://www.cbinsights.com/company/iobuilders/financials"}]},{"content":"No lawsuits, regulatory enforcement actions, fraud allegations, or scam reports concerning ioBuilders (IO Builders) were found in web searches covering court records, regulatory trackers, and crypto and mainstream news coverage. The absence of adverse findings is consistent with a company operating as a B2B software/infrastructure vendor rather than a public-facing exchange or token issuer, which reduces the volume of retail-facing complaints typically indexed by search engines; it does not by itself establish a clean regulatory history, since no primary regulatory or court-record search specific to Spain, the UK, or other jurisdictions where the company operates was independently performed beyond general web search.","heading":"Regulatory and Legal Record","severity":"low","sources":[]}],"sources_used":[{"credibility":2,"name":"ioBuilders case study - Hedera","type":"official","url":"https://hedera.com/case-study/iobuilders/"},{"credibility":2,"name":"American Banker on-chain coverage","type":"news_article","url":"https://on-chain.americanbanker.com/?p=1769"},{"credibility":2,"name":"ioBuilders tokenisation platform available via Hashgraph - Funds Europe","type":"news_article","url":"https://funds-europe.com/iobuilders-tokenisation-platform-available-via-hashgraph/"},{"credibility":3,"name":"Digital Assets sponsor profile - ioBuilders","type":"other","url":"https://digitalassets.wbresearch.com/sponsors/iobuilders"},{"credibility":3,"name":"Javier Cervera Rodríguez-Arias LinkedIn (lists ioBuilders leadership)","type":"social_media","url":"https://es.linkedin.com/in/fjcra"},{"credibility":2,"name":"Stablecoin Studio launch announcement - Hedera","type":"official","url":"https://hedera.com/blog/stablecoin-studio-an-open-source-sdk-now-available-on-the-hedera-network-enabling-any-organization-to-easily-build-stablecoin-applications"},{"credibility":2,"name":"SIX Invests in OpenBrick, a Platform of Tokenized Securities for Real Estate Projects in Spain","type":"news_article","url":"https://www.crowdfundinsider.com/2024/11/233499-six-invests-in-openbrick-a-platform-of-tokenized-securities-for-real-estate-projects-in-spain/"},{"credibility":2,"name":"SIX invests in Spanish tokenized real estate platform OpenBrick - Finextra","type":"news_article","url":"https://www.finextra.com/pressarticle/103390/six-invests-in-spanish-tokenized-real-estate-platform-openbrick"},{"credibility":3,"name":"Hashgraph, Asseto tokenization platform, HashSphere, Hedera - Genfinity","type":"news_article","url":"https://genfinity.io/2026/06/03/hashgraph-asseto-tokenization-platform-hashsphere-hedera/"},{"credibility":3,"name":"CB Insights - ioBuilders financials","type":"research","url":"https://www.cbinsights.com/company/iobuilders/financials"}],"summary":"IO Builders (also styled ioBuilders) is a Madrid-founded blockchain infrastructure company that builds tokenization software for banks, market infrastructure providers, and asset managers, including its Asseto platform and Hedera's Stablecoin Studio and Asset Tokenization Studio. No lawsuits, regulatory actions, or fraud allegations against the company were found in available sources; this page reflects limited independent (non-company-sourced) verification rather than a clean record established through third-party scrutiny.","timeline":[{"date":"2018","event":"ioBuilders reported as founded, per a conference sponsor profile.","source":"Digital Assets sponsor profile","source_url":"https://digitalassets.wbresearch.com/sponsors/iobuilders"},{"date":"2023-09","event":"Stablecoin Studio, co-developed by ioBuilders with Hedera, Swirlds Labs, and The HBAR Foundation, released as an open-source SDK on the Hedera network.","source":"Hedera blog","source_url":"https://hedera.com/blog/stablecoin-studio-an-open-source-sdk-now-available-on-the-hedera-network-enabling-any-organization-to-easily-build-stablecoin-applications"},{"date":"2024-11","event":"SIX announced an investment in OpenBrick, the tokenized real-estate securities platform co-founded by ioBuilders, Grupo Lar, and Renta 4 Banco.","source":"Crowdfund Insider","source_url":"https://www.crowdfundinsider.com/2024/11/233499-six-invests-in-openbrick-a-platform-of-tokenized-securities-for-real-estate-projects-in-spain/"},{"date":"2025-06","event":"A merger-type transaction between ioBuilders and Adhara reported by a financial-data aggregator; separately described in trade press as a mid-2025 merger.","source":"CB Insights / Genfinity","source_url":"https://www.cbinsights.com/company/iobuilders/financials"},{"date":"2026-06","event":"Hashgraph and ioBuilders reported launching the Asseto tokenization platform.","source":"Genfinity","source_url":"https://genfinity.io/2026/06/03/hashgraph-asseto-tokenization-platform-hashsphere-hedera/"}]},"v":1}

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