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Blockchain & Crypto vocabulary · Networks, Forks & Scaling

Rollup

Meaning in blockchain & crypto, with examples

/ˈroʊl.ʌp/nounAdvanced term

In blockchain & crypto, rollup means: A type of layer 2 that bundles many transactions together off the main chain and posts the compressed data or a proof back to layer 1, which cuts fees while keeping layer 1 security.

In Turkish: toplu işlem çözümü, rollup

How it is used

There are two main kinds: optimistic rollups, which assume transactions are valid unless someone challenges them, and zero-knowledge (ZK) rollups, which post a cryptographic proof. Developers deploy on a rollup and talk about rollup fees and data costs.

Example sentences

  1. The rollup posts a batch of transactions to Ethereum every few minutes.

  2. We are comparing an optimistic rollup with a ZK rollup for our payments app.

Common collocations

  • optimistic rollup
  • ZK rollup
  • deploy on a rollup
  • rollup fees
  • layer 2A network built on top of a layer 1 blockchain that handles transactions faster and more cheaply, then sends the results back to the main chain for security. Rollups and the Lightning Network are examples.
  • scalabilityThe ability of a blockchain to handle more users and transactions without becoming slow or expensive. It is one of the biggest technical challenges in the field.
  • layer 1A base blockchain that processes and finalizes transactions on its own network, such as Bitcoin or Ethereum. Other systems can be built on top of it.
  • bridgeA service or set of smart contracts that moves tokens or data from one blockchain to another, usually by locking the asset on one chain and issuing an equivalent on the other.

More terms: Networks, Forks & Scaling

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