Editing Jito

**Jito** is a [[Solana]] infrastructure project for maximal extractable value (MEV) whose block engine accepts transaction bundles with SOL tips, and **JTO** is the governance token of the Jito Foundation, airdropped on 7 December 2023.[^1][^2] Its bundles are the usual way Solana traders and bots land [[Sniping|snipes]] and [[Bundling|bundled]] launch buys.[^3]

## Lore
### Bundles and tips
A Jito bundle is a list of up to five transactions that execute in order, all-or-nothing, within one slot; it must carry a tip of at least 1,000 lamports paid to one of eight tip accounts, and higher tips win under demand.[^3] Tipped bundles are processed privately through Jito validators, which also shields trades from sandwich bots; users paid over $9.3 million in tips in one week to early May 2024, and Jito is built into [[Jupiter]]'s app and major wallets.[^4] In November 2023 the Jito Foundation said validators running its MEV client held over 40% of Solana's stake.[^1] On 17 November 2024, amid the [[Memecoin supercycle|memecoin rally]], Jito had its third-highest fee day at $9.87 million.[^5]

### Token
JTO has a supply of 1 billion, 115 million circulating at launch; 10% went to the community airdrop for JitoSOL holders, MEV-client validators and searchers, with a minimum of 4,941 JTO each and 18 months to claim.[^1][^2] JTO opened near $1.20 on Solana DEXs and rose toward $2.[^2] Jito Labs had raised a $10 million Series A in 2022; in October 2025 a16z crypto invested $50 million in the Jito Foundation through a private token sale.[^1][^6]

## Timeline
- 2023-11-27: Jito announces the JTO governance token[^1]
- 2023-12-07: JTO airdrop claims and trading open[^2]
- 2024-03-08: Jito suspends its public mempool[^7]
- 2024-11-13: block engine outage raises Solana priority fees[^8]
- 2024-11-17: $9.87 million in daily fees[^5]
- 2025-10-16: a16z crypto invests $50 million[^6]

## Key wallets
- Token mint: jtojtomepa8beP8AuQc6eXt5FriJwfFMwQx2v2f9mCL
- Tip accounts: eight addresses, listed by the block engine's getTipAccounts method[^3]

## Controversies
Jito ran the only mempool on Solana, inside its block engine, and on 8 March 2024 shut it down after sandwich attacks on retail traders spread, saying its attempts to reject sandwich bundles had become a cat-and-mouse game with searchers.[^7] On 13 November 2024 a block engine outage stopped bundle delivery for a period variously given as 10 minutes to an hour, and priority fees rose about 25 to 30 times; Jito said Solana itself was not affected.[^8]

## See also
- [[Axiom]]
- [[GMGN]]
- [[Photon]]
- [[BullX]]
- [[Trojan]]
- [[Moonshot]]
- [[DEX Screener]]
- [[Copy trading]]

## References
1. [Solana MEV developer Jito launching governance token](https://www.theblock.co/post/264820/solana-mev-developer-jito-launching-governance-token), The Block, 2023-11-27
2. [Even Small-Time Jito Airdroppers Are Getting Thousands of Dollars in JTO Tokens](https://www.coindesk.com/markets/2023/12/07/even-small-time-jito-airdroppers-are-getting-thousands-of-dollars-in-jto-tokens), CoinDesk, 2023-12-07
3. [Low Latency Transaction Send](https://docs.jito.wtf/lowlatencytxnsend/), Jito Labs, n.d.
4. [Solana users are paying millions to stop bots attacking their trades](https://www.dlnews.com/articles/defi/solana-users-use-jito-to-stop-sandwich-attacks-and-mev/), DL News, 2024-05-08
5. [Solana-based DApps rake in record fees as memecoin frenzy returns](https://cointelegraph.com/news/memecoin-frenzy-sees-solana-based-dapps-rake-in-record-fees), Cointelegraph, 2024-11-18
6. [Andreessen Horowitz's a16z Invests $50M in Solana Staking Protocol Jito](https://www.coindesk.com/markets/2025/10/16/andreessen-horowitz-s-a16z-invests-usd50m-in-solana-staking-protocol-jito), CoinDesk, 2025-10-16
7. [Solana Client Developer Jito Ends 'Mempool' Function](https://www.coindesk.com/business/2024/03/08/solana-client-developer-jito-announces-end-of-mempool-function), CoinDesk, 2024-03-08
8. [Solana-based MEV protocol Jito experiences downtime, temporarily driving transaction fees up](https://www.theblock.co/post/326351/solana-based-mev-protocol-jito-experiences-downtime-temporarily-driving-transaction-fees-up), The Block, 2024-11-13
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