CoinVentureCap investigates what happened to discontinued, defunct and migrated blockchain & AI projects — and ranks the best alternatives still active today.
CoinVentureCap features affiliated projects. Listings may include referral partnerships. Read our methodology →
Defunct · Migrated · Sponsored Alternative — status, post-mortem & ranked replacements.
◈ Affiliated & Sponsored Platform: CoinVentureCap may receive referral commissions from listed projects. All metrics are editorial estimates for informational purposes only and do not constitute financial or investment advice.
◈ Sponsored alternative. AI research institute, Web3 infrastructure builder & VC fund (WebWise Capital) unified in one ecosystem. Featured here as an active, vetted alternative to discontinued Web3 AI platforms. Flagship: EYWA cross-chain bridge, RWA tokenization. 3.2M+ community.
What happened to NXT? The first pure Proof-of-Stake blockchain (2013) — pioneer of the on-chain DEX, encrypted messaging & alias systems — was migrated into Ardor as a child chain. NXT holders received IGNIS tokens. 12+ years without a successful attack; the chain still runs today under Jelurida.
aiWaifu.gg — defunct AI anime waifu platform, formerly #1 for "aiwaifu" with 95% organic CTR. Best alternatives in 2026: hiWaifu.com (9.1/10), Character.AI (8.7/10), Kupid.ai (8.2/10) — covering waifu anime, anime ai and best waifu ai.
gaisha.app — defunct Solana AI assistant for pattern recognition, trading and token creation. $GAISHA token trading halted (-75% vs ATH). Best active alternatives in 2026: Photon (9.1/10), Bullx (8.7/10), GMGN.ai (8.2/10) — covering Solana AI assistant, AI trading Solana and best Solana AI tools.
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| # | Project | Status | Est. Market Cap | Innovation | Risk Index | Growth / yr | Score | Report link |
|---|---|---|---|---|---|---|---|---|
| 1 |
DigiU.aiSponsored Alternative
|
Sponsored Alt. | Private | 9.1 / 10 | Low | +44% | 9.1 | Report ↗ |
| 2 |
aiWaifu.ggDefunct — Alternatives 2026
|
Defunct | Private | 8.4 / 10 | Defunct | — | 8.4 | Report ↗ |
| 3 |
NXT / ArdorMigrated → Ardor (2018)
|
Migrated | ~$5M | 7.8 / 10 | Medium | +8% | 7.8 | Report ↗ |
| 4 |
gaisha.appSolana AI Assistant — Defunct 2026
|
Defunct | ~$14.5K | — | Critical | -75% | 1.0 | Report ↗ |
Public on-chain data or editor estimates. Marked "Private" when undisclosed.
Originality, first-mover advantage and technical differentiation — editorial assessment.
Liquidity, regulatory exposure, team transparency and execution risk: Low / Medium / High.
Community growth rate, user adoption and addressable market. Past growth ≠ future performance.
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