# Concepts

- [Connecting to MAYAChain](/mayachain-dev-docs/concepts/connecting-to-mayachain.md): How to connect to Midgard, MAYANode and the base Tendermint layer.
- [Querying MAYAChain](/mayachain-dev-docs/concepts/querying-mayachain.md): How to Query MAYAChain
- [Transaction Memos](/mayachain-dev-docs/concepts/transaction-memos.md): Understanding Transaction Memo In Detail
- [Asset Notation](/mayachain-dev-docs/concepts/asset-notation.md): Understanding THORChain Asset Notation
- [Memo Length Reduction](/mayachain-dev-docs/concepts/memo-length-reduction.md)
- [Network Halts](/mayachain-dev-docs/concepts/network-halts.md): Interfaces need to monitor and react to keep network paramaters.
- [Fees](/mayachain-dev-docs/concepts/fees.md): Understanding how fees are calculated.
- [Delays](/mayachain-dev-docs/concepts/delays.md): Understanding end to end transaction times.
- [Sending Transactions](/mayachain-dev-docs/concepts/sending-transactions.md): This page goes over how to build an inbound MAYAChain transaction for each chain type.
- [Math](/mayachain-dev-docs/concepts/math.md)