diff --git a/README.md b/README.md
index 83d4fae..150f293 100644
--- a/README.md
+++ b/README.md
@@ -187,3 +187,7 @@ This work is licensed under a Creative Commons Attribution‑NonCommercial‑Sha
- **API Access:** quantumapi@dascient.com
- **Textbook & Academic Inquiries:** press@dascient.com
- **LinkedIn:** https://linkedin.com/company/DaScient
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch01.md b/docs/chapters/ch01.md
index 6bb026a..f7ce8ee 100644
--- a/docs/chapters/ch01.md
+++ b/docs/chapters/ch01.md
@@ -342,3 +342,7 @@ sampled, noisy evidence returned by physical devices.
- C. H. Bennett and D. P. DiVincenzo, "Quantum information and computation,"
*Nature* **404**, 247 (2000).
- M. M. Wilde, *Quantum Information Theory*.
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch02.md b/docs/chapters/ch02.md
index dfd4a4f..88fa212 100644
--- a/docs/chapters/ch02.md
+++ b/docs/chapters/ch02.md
@@ -298,3 +298,7 @@ sampled, noisy, and operationally constrained.
- C. M. Bishop, *Pattern Recognition and Machine Learning*.
- T. S. Cohen and M. Welling, "Group equivariant convolutional networks,"
*Proceedings of ICML* (2016).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch03.md b/docs/chapters/ch03.md
index 8f078f2..db88199 100644
--- a/docs/chapters/ch03.md
+++ b/docs/chapters/ch03.md
@@ -356,3 +356,7 @@ separating physical conclusions from computational artefacts.
- J. Nocedal and S. Wright, *Numerical Optimization*.
- R. Bhatia, *Matrix Analysis*.
- M. Schuld and F. Petruccione, *Machine Learning with Quantum Computers*.
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch04.md b/docs/chapters/ch04.md
index 8154915..ee8bab6 100644
--- a/docs/chapters/ch04.md
+++ b/docs/chapters/ch04.md
@@ -221,3 +221,7 @@ Tomography turns measurements into matrices and exposes the exponential wall tha
- D. Gross et al., "Quantum state tomography via compressed sensing," *Phys. Rev. Lett.* **105**, 150401 (2010).
- H.-Y. Huang, R. Kueng, and J. Preskill, "Predicting many properties of a quantum system from very few measurements," *Nat. Phys.* **16**, 1050 (2020).
- I. L. Chuang and M. A. Nielsen, "Prescription for experimental determination of the dynamics of a quantum black box," *J. Mod. Opt.* **44**, 2455 (1997).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch05.md b/docs/chapters/ch05.md
index 150b652..0acfd64 100644
--- a/docs/chapters/ch05.md
+++ b/docs/chapters/ch05.md
@@ -202,3 +202,7 @@ Data are the substrate of quantum AI. Measurement records, shot tables, calibrat
- T. Gebru et al., "Datasheets for datasets," *Commun. ACM* **64**, 86 (2021).
- N. Killoran et al., "Strawberry Fields" and the broader open-data movement in quantum software.
- J. Biamonte et al., "Quantum machine learning," *Nature* **549**, 195 (2017).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch06.md b/docs/chapters/ch06.md
index 7c78e7f..cb0746a 100644
--- a/docs/chapters/ch06.md
+++ b/docs/chapters/ch06.md
@@ -202,3 +202,7 @@ Noise is the defining constraint of present-day quantum hardware. Open-system ev
- E. Magesan, J. M. Gambetta, and J. Emerson, "Scalable and robust randomized benchmarking," *Phys. Rev. Lett.* **106**, 180504 (2011).
- J. J. Wallman and J. Emerson, "Noise tailoring for scalable quantum computation via randomized compiling," *Phys. Rev. A* **94**, 052325 (2016).
- M. A. Nielsen and I. L. Chuang, *Quantum Computation and Quantum Information*, Cambridge University Press.
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch07.md b/docs/chapters/ch07.md
index f39a62b..8d0a5ff 100644
--- a/docs/chapters/ch07.md
+++ b/docs/chapters/ch07.md
@@ -245,3 +245,7 @@ Optimal control turns gate design into constrained optimisation over time-depend
- M. Y. Niu et al., "Universal quantum control through deep reinforcement learning," *npj Quantum Inf.* **5**, 33 (2019).
- D. J. Tannor, *Introduction to Quantum Mechanics: A Time-Dependent Perspective*.
- F. Motzoi et al., "Simple pulses for elimination of leakage in weakly nonlinear qubits," *Phys. Rev. Lett.* **103**, 110501 (2009).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch08.md b/docs/chapters/ch08.md
index 4c2b686..b273061 100644
--- a/docs/chapters/ch08.md
+++ b/docs/chapters/ch08.md
@@ -189,3 +189,7 @@ Error correction protects quantum information by encoding it into a stabiliser c
- A. G. Fowler et al., "Surface codes: towards practical large-scale quantum computation," *Phys. Rev. A* **86**, 032324 (2012).
- E. Dennis et al., "Topological quantum memory," *J. Math. Phys.* **43**, 4452 (2002).
- K. Temme, S. Bravyi, and J. M. Gambetta, "Error mitigation for short-depth quantum circuits," *Phys. Rev. Lett.* **119**, 180509 (2017).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch09.md b/docs/chapters/ch09.md
index e40290a..eb92c28 100644
--- a/docs/chapters/ch09.md
+++ b/docs/chapters/ch09.md
@@ -225,3 +225,7 @@ Metrology quantifies how quantum resources improve parameter estimation. The SQL
- C. W. Helstrom, *Quantum Detection and Estimation Theory*.
- M. G. A. Paris, "Quantum estimation for quantum technology," *Int. J. Quantum Inf.* **7**, 125 (2009).
- L. Pezzè et al., "Quantum metrology with nonclassical states of atomic ensembles," *Rev. Mod. Phys.* **90**, 035005 (2018).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch10.md b/docs/chapters/ch10.md
index 26265a8..f4baa8e 100644
--- a/docs/chapters/ch10.md
+++ b/docs/chapters/ch10.md
@@ -150,3 +150,7 @@ The structure-to-property map is smooth and learnable when molecular symmetries
- A. Peruzzo et al., "A variational eigenvalue solver on a photonic quantum processor," *Nat. Commun.* **5**, 4213 (2014).
- J. McClean et al., "The theory of variational hybrid quantum-classical algorithms," *New J. Phys.* **18**, 023023 (2016).
- K. T. Schütt et al., "SchNet: A continuous-filter convolutional neural network for modeling quantum interactions," *NeurIPS* (2017).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch11.md b/docs/chapters/ch11.md
index 0fc44c7..f6e3533 100644
--- a/docs/chapters/ch11.md
+++ b/docs/chapters/ch11.md
@@ -130,3 +130,7 @@ Materials discovery couples forward prediction with inverse design. Physics-base
- T. Xie et al., "Crystal diffusion variational autoencoder for periodic material generation," *ICLR* (2022).
- A. Jain et al., "Commentary: The Materials Project: A materials genome approach to accelerating materials innovation," *APL Materials* **1**, 011002 (2013).
- K. T. Butler et al., "Machine learning for molecular and materials science," *Nature* **559**, 547 (2018).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch12.md b/docs/chapters/ch12.md
index 9ca24aa..2be983c 100644
--- a/docs/chapters/ch12.md
+++ b/docs/chapters/ch12.md
@@ -164,3 +164,7 @@ The area law is the structural fact that rescues large parts of the many-body pr
- G. Carleo and M. Troyer, "Solving the quantum many-body problem with artificial neural networks," *Science* **355**, 602 (2017).
- R. Orús, "A practical introduction to tensor networks: Matrix product states and projected entangled pair states," *Ann. Phys.* **349**, 117 (2014).
- J. Biamonte and V. Bergholm, "Tensor networks in a nutshell," arXiv:1708.00006 (2017).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch13.md b/docs/chapters/ch13.md
index e8dd771..2252d28 100644
--- a/docs/chapters/ch13.md
+++ b/docs/chapters/ch13.md
@@ -127,3 +127,7 @@ QKD turns physical law into a secrecy guarantee by converting disturbance into o
- P. W. Shor and J. Preskill, "Simple proof of security of the BB84 quantum key distribution protocol," *Phys. Rev. Lett.* **85**, 441 (2000).
- V. Scarani et al., "The security of practical quantum key distribution," *Rev. Mod. Phys.* **81**, 1301 (2009).
- H.-K. Lo, M. Curty, and K. Tamaki, "Secure quantum key distribution," *Nature Photonics* **8**, 595 (2014).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch14.md b/docs/chapters/ch14.md
index 44e162a..74845c1 100644
--- a/docs/chapters/ch14.md
+++ b/docs/chapters/ch14.md
@@ -147,3 +147,7 @@ Quantum networks distribute entanglement rather than classical packets. Direct o
- S. Wehner, D. Elkouss, and R. Hanson, "Quantum internet: A vision for the road ahead," *Science* **362**, eaam9288 (2018).
- N. Sangouard et al., "Quantum repeaters based on atomic ensembles and linear optics," *Rev. Mod. Phys.* **83**, 33 (2011).
- W. J. Munro, K. Azuma, K. Tamaki, and K. Nemoto, "Inside quantum repeaters," *IEEE Journal of Selected Topics in Quantum Electronics* **21**, 78 (2015).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch15.md b/docs/chapters/ch15.md
index cb47bdf..dfb3e79 100644
--- a/docs/chapters/ch15.md
+++ b/docs/chapters/ch15.md
@@ -164,3 +164,7 @@ Quantum algorithms obtain speedups by exploiting structure: periodicity in Shor'
- L. K. Grover, "A fast quantum mechanical algorithm for database search," *STOC* (1996).
- M. A. Nielsen and I. L. Chuang, *Quantum Computation and Quantum Information*, Cambridge University Press (2010).
- A. W. Harrow and A. Montanaro, "Quantum computational supremacy," *Nature* **549**, 203 (2017).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch16.md b/docs/chapters/ch16.md
index 653a105..c45bd73 100644
--- a/docs/chapters/ch16.md
+++ b/docs/chapters/ch16.md
@@ -193,3 +193,7 @@ Quantum kernels recast QML as kernel learning with quantum-computed similarities
spaces," *Phys. Rev. Lett.* **122**, 040504 (2019).
- E. Tang, "A quantum-inspired classical algorithm for recommendation systems,"
*STOC* (2019).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch17.md b/docs/chapters/ch17.md
index 2123206..f6486c1 100644
--- a/docs/chapters/ch17.md
+++ b/docs/chapters/ch17.md
@@ -264,3 +264,7 @@ VQAs pair a parameterised circuit with a classical optimiser, the dominant NISQ
- J. R. McClean et al., "Barren plateaus in quantum neural network training
landscapes," *Nat. Commun.* **9**, 4812 (2018).
- E. Farhi, J. Goldstone, and S. Gutmann, "A quantum approximate optimization algorithm," arXiv:1411.4028 (2014).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch18.md b/docs/chapters/ch18.md
index 4ab2f95..31af090 100644
--- a/docs/chapters/ch18.md
+++ b/docs/chapters/ch18.md
@@ -197,3 +197,7 @@ Quantum processors are accelerators within classical systems. The interface and
- N. Killoran et al., "Continuous-variable quantum neural networks,"
*Phys. Rev. Research* **1**, 033063 (2019).
- A. Peruzzo et al., "A variational eigenvalue solver on a photonic quantum processor," *Nat. Commun.* **5**, 4213 (2014).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch19.md b/docs/chapters/ch19.md
index 9d56e76..368a29b 100644
--- a/docs/chapters/ch19.md
+++ b/docs/chapters/ch19.md
@@ -306,3 +306,7 @@ into operational duties.
- National Academies, *Quantum Computing: Progress and Prospects* (2019).
- NIST, *Post-Quantum Cryptography* project documentation.
- OECD, *Recommendation of the Council on Artificial Intelligence*.
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch20.md b/docs/chapters/ch20.md
index 14ce042..6d2b66b 100644
--- a/docs/chapters/ch20.md
+++ b/docs/chapters/ch20.md
@@ -283,3 +283,7 @@ shared.
- IEEE Quantum standards and terminology resources.
- ISO/IEC information-technology standards catalogues relevant to security and
interoperability.
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch21.md b/docs/chapters/ch21.md
index 98fb995..d4d8378 100644
--- a/docs/chapters/ch21.md
+++ b/docs/chapters/ch21.md
@@ -308,3 +308,7 @@ it.
- National Academies, *Quantum Computing: Progress and Prospects* (2019).
- OECD, *Recommendation on Responsible Innovation in Neurotechnology* and related
responsible-innovation resources as comparative governance models.
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch22.md b/docs/chapters/ch22.md
index bb95a4e..2a854b6 100644
--- a/docs/chapters/ch22.md
+++ b/docs/chapters/ch22.md
@@ -143,3 +143,7 @@ AI and quantum hardware advance each other in a tightening loop, from learned ca
- G. Carleo et al., "Machine learning and the physical sciences," *Rev. Mod. Phys.* **91**, 045002 (2019).
- A. G. Fowler, M. Mariantoni, J. M. Martinis, and A. N. Cleland, "Surface codes: Towards practical large-scale quantum computation," *Phys. Rev. A* **86**, 032324 (2012).
- M. Cerezo et al., "Variational quantum algorithms," *Nature Reviews Physics* **3**, 625–644 (2021).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch23.md b/docs/chapters/ch23.md
index 96ec0ee..b29608e 100644
--- a/docs/chapters/ch23.md
+++ b/docs/chapters/ch23.md
@@ -143,3 +143,7 @@ Quantum AI's open questions span the reality of advantage, the scalability of va
- M. Cerezo et al., "Cost function dependent barren plateaus in shallow parametrized quantum circuits," *Nature Communications* **12**, 1791 (2021).
- J. Preskill, "Quantum computing 40 years later," *Feynman Lectures on Computation* anniversary lecture notes and related essays.
- H.-Y. Huang, R. Kueng, and J. Preskill, "Information-theoretic bounds on quantum advantage in machine learning," *Phys. Rev. Lett.* **126**, 190505 (2021).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.
diff --git a/docs/chapters/ch24.md b/docs/chapters/ch24.md
index 71792e6..9a8d292 100644
--- a/docs/chapters/ch24.md
+++ b/docs/chapters/ch24.md
@@ -164,3 +164,7 @@ Quantum-native intelligence extends the book's central pattern — learned, stru
- M. A. Nielsen and I. L. Chuang, *Quantum Computation and Quantum Information*, Cambridge University Press (2010).
- J. Preskill, "Quantum computing in the NISQ era and beyond," *Quantum* **2**, 79 (2018).
- S. Aaronson, "The limits of quantum computers," *Sci. Am.* **298**, 62 (2008).
+
+Support this project: [Donations](https://cash.app/dascient/).
+
+This supports DaScient, Inc. — a non-profit organization promoting accessible intelligence and community learning through diverse mediums and platforms.